{% extends "base.html" %}
{% block title %}Dashboard · Harbormaster{% endblock %}
{% block content %}

<!-- v6.0.0a4: keyboard shortcut help popover.
     Press ? to toggle; Escape dismisses. Header pill is the
     pointer-friendly entry point. The popover renders a single source
     of truth for shortcut docs — when v6.0.0a5+ adds more shortcuts,
     they go here. -->
<div x-data="helpPopover()"
     @keydown.window="onKeyDown($event)">
  <button type="button" @click="open = !open"
          class="fixed bottom-4 right-4 z-30 bg-gray-900/80 hover:bg-surface-3 border border-border text-accent w-9 h-9 rounded-full text-base font-bold transition focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-cyan-400 focus-visible:ring-offset-2 focus-visible:ring-offset-gray-950"
          :title="open ? 'close help (Esc)' : 'keyboard shortcuts (?)'"
          :aria-label="open ? 'Close keyboard shortcuts help' : 'Open keyboard shortcuts help'"
          :aria-expanded="open"
          aria-controls="hm-help-popover">
    <span x-text="open ? '×' : '?'" aria-hidden="true"></span>
  </button>
  <div x-show="open" x-cloak
       id="hm-help-popover"
       role="dialog"
       aria-label="Keyboard shortcuts"
       :aria-hidden="!open"
       @click.away="open = false"
       class="fixed bottom-16 right-4 z-30 w-80 max-h-[70vh] overflow-y-auto bg-surface-1 border border-border rounded-lg shadow-xl p-4">
    <header class="flex items-baseline justify-between mb-3">
      <h3 class="text-sm font-bold text-foreground">Keyboard shortcuts</h3>
      <button type="button" @click="open = false"
              aria-label="Close keyboard shortcuts help"
              class="text-foreground-muted hover:text-foreground text-xs focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-cyan-400 focus-visible:ring-offset-2 focus-visible:ring-offset-gray-950">close</button>
    </header>
    <template x-for="section in shortcuts" :key="section.scope">
      <div class="mb-3">
        <h4 class="text-[11px] uppercase tracking-wide text-foreground-subtle mb-1.5"
            x-text="section.scope"></h4>
        <ul class="space-y-1 text-xs">
          <template x-for="row in section.rows" :key="row.keys">
            <li class="flex items-baseline gap-2">
              <kbd class="bg-surface-3 border border-border rounded px-1.5 py-0.5 text-accent font-mono text-[10px] shrink-0"
                   x-text="row.keys"></kbd>
              <span class="text-foreground-muted" x-text="row.action"></span>
            </li>
          </template>
        </ul>
      </div>
    </template>
    <p class="mt-3 pt-3 border-t border-border text-[11px] text-foreground-subtle">
      Press <kbd class="bg-surface-3 border border-border rounded px-1 py-0 text-accent font-mono">Esc</kbd>
      or <kbd class="bg-surface-3 border border-border rounded px-1 py-0 text-accent font-mono">?</kbd>
      to dismiss.
    </p>
  </div>
</div>

<!-- v8.0.0a5: KPI strip. 5-cell at-a-glance summary atop the
     dashboard so operators see the project / embed / query / bridge
     / dispatcher state without scanning the body. Auto-refreshes
     every 30s; soft-fails per cell if the underlying source is
     missing. -->
<section x-data="kpiStrip()" x-init="loadKpi(); loadBudget(); startPolling()"
         aria-label="Dashboard at-a-glance metrics"
         class="mb-6 grid grid-cols-2 md:grid-cols-3 lg:grid-cols-6 gap-3">
  <div class="border border-border rounded-lg p-3 bg-gray-900/40"
       data-kpi-cell="projects">
    <p class="text-[10px] uppercase tracking-wide text-foreground-muted">Projects</p>
    <p class="text-2xl font-bold text-foreground"
       x-text="kpi.projects ?? '—'"
       :aria-label="`${kpi.projects ?? 0} projects discovered`"></p>
  </div>
  <div class="border border-border rounded-lg p-3 bg-gray-900/40"
       data-kpi-cell="active-embeds">
    <p class="text-[10px] uppercase tracking-wide text-foreground-muted">Active embeds</p>
    <p class="text-2xl font-bold"
       :class="activeEmbedsClass()"
       x-text="activeEmbedsLabel()"
       :aria-label="`Reembed phase ${kpi.active_embeds?.phase || 'unknown'}`"></p>
  </div>
  <div class="border border-border rounded-lg p-3 bg-gray-900/40"
       data-kpi-cell="recent-queries">
    <p class="text-[10px] uppercase tracking-wide text-foreground-muted">Recent queries (1h)</p>
    <p class="text-2xl font-bold text-foreground"
       x-text="kpi.recent_queries ?? '—'"
       :aria-label="`${kpi.recent_queries ?? 0} queries in the last hour`"></p>
  </div>
  <div class="border border-border rounded-lg p-3 bg-gray-900/40"
       data-kpi-cell="bridge">
    <p class="text-[10px] uppercase tracking-wide text-foreground-muted">Bridge</p>
    <p class="text-sm font-bold pt-1.5"
       :class="bridgeClass()"
       x-text="kpi.bridge ?? '—'"
       :aria-label="`Bridge ${kpi.bridge || 'unknown'}`"></p>
  </div>
  <div class="border border-border rounded-lg p-3 bg-gray-900/40"
       data-kpi-cell="dispatcher">
    <p class="text-[10px] uppercase tracking-wide text-foreground-muted">Dispatcher</p>
    <p class="text-sm font-bold pt-1.5 text-success"
       x-text="kpi.dispatcher ?? '—'"
       :aria-label="`Dispatcher ${kpi.dispatcher || 'unknown'}`"></p>
  </div>
  <!-- v14.0.0a4: per-host call budget summary. Shows the worst-usage
       host's percentage; "—" if no hosts have a budget configured.
       Click cell-text to navigate to /network for the full breakdown. -->
  <div class="border border-border rounded-lg p-3 bg-gray-900/40"
       data-kpi-cell="hosts-budget">
    <p class="text-[10px] uppercase tracking-wide text-foreground-muted">Host budget</p>
    <p class="text-2xl font-bold pt-0.5"
       :class="hostBudgetClass()"
       x-text="hostBudgetLabel()"
       :aria-label="hostBudgetAriaLabel()"></p>
  </div>
</section>

<!-- v2.1.0a1: bridge + plugin status strip. Sticky on desktop,
     collapsible on mobile. Loads async, doesn't block project grid. -->
<section x-data="statusStrip()" x-init="loadAll()"
         class="mb-6 grid grid-cols-1 md:grid-cols-2 gap-4">
  <article class="border border-border rounded-lg p-4 bg-gray-900/40">
    <header class="flex items-center justify-between mb-2">
      <h3 class="text-sm font-bold text-foreground-muted">FleetQ Bridge</h3>
      <!-- v12.0.0a2: migrated from inline color/icon spans to the
           shared `stateBadgeHtml` helper. Visual output identical;
           `bridgeBadgeProps()` consolidates state, icon, color, and
           tooltip selection in one place. -->
      <span x-html="window.harbormaster.stateBadgeHtml(bridgeBadgeProps())"></span>
    </header>
    <dl class="text-xs space-y-1 text-foreground-muted" x-show="!bridgeError">
      <div><dt class="inline text-foreground-subtle">enabled:</dt>
        <dd class="inline ml-1" x-text="bridge.fleetq_enabled"></dd></div>
      <div><dt class="inline text-foreground-subtle">register_as_bridge:</dt>
        <dd class="inline ml-1" x-text="bridge.register_as_bridge"></dd></div>
      <div><dt class="inline text-foreground-subtle">base_url:</dt>
        <dd class="inline ml-1 text-accent" x-text="bridge.base_url"></dd></div>
      <div><dt class="inline text-foreground-subtle">token (env var):</dt>
        <dd class="inline ml-1"
            :class="bridge.api_token_present ? 'text-success' : 'text-warning'"
            x-text="bridge.api_token_present ? `${bridge.api_token_env} ✓` : `${bridge.api_token_env} (empty)`"></dd></div>
      <div><dt class="inline text-foreground-subtle">writeback:</dt>
        <dd class="inline ml-1"
            x-text="`trajectories=${bridge.write_trajectories}, kg=${bridge.write_kg} (${bridge.kg_extractor})`"></dd></div>
      <div x-show="bridge.runtime && bridge.runtime.available && bridge.runtime.state_file_present">
        <dt class="inline text-foreground-subtle">runtime:</dt>
        <dd class="inline ml-1"
            x-text="runtimeSummary()"
            :class="runtimeColorClass()"></dd>
      </div>
      <div x-show="bridge.runtime && bridge.runtime.last_error" class="text-danger">
        <dt class="inline text-foreground-subtle">last_error:</dt>
        <dd class="inline ml-1" x-text="bridge.runtime && bridge.runtime.last_error"></dd>
      </div>
    </dl>
    <p x-show="bridgeError" :aria-hidden="!bridgeError" role="alert" aria-live="assertive" class="text-xs text-danger" x-text="bridgeError"></p>
  </article>

  <article class="border border-border rounded-lg p-4 bg-gray-900/40">
    <header class="flex items-center justify-between mb-2 gap-2 flex-wrap">
      <h3 class="text-sm font-bold text-foreground-muted">Plugins</h3>
      <div class="flex items-center gap-2">
        <!-- v14.0.0a6: host filter — defaults to "local". When set to a
             configured host name, the card refetches from
             /api/plugins?host=NAME (SSH-based remote discovery). -->
        <select x-model="pluginHost"
                @change="loadPlugins()"
                aria-label="Plugin host filter"
                x-show="(pluginHosts || []).length > 0"
                class="text-[10px] bg-surface-1 border border-border rounded px-1 py-0.5 text-foreground-muted">
          <option value="local">local</option>
          <!-- v15.0.0a2: "all" — concurrent fan-out across every host. -->
          <option value="all" x-show="(pluginHosts || []).length > 1">all</option>
          <template x-for="h in pluginHosts" :key="'ph:' + h">
            <option :value="h" x-text="h"></option>
          </template>
        </select>
        <!-- v15.0.0a2: "Compare config" button — shown when a remote host
             is selected. Opens an inline diff panel below the plugin
             rows showing the unified diff between local + remote
             harbormaster.toml. -->
        <button type="button"
                x-show="pluginHost && pluginHost !== 'local' && pluginHost !== 'all'"
                @click="loadConfigDiff()"
                aria-label="Compare config with remote host"
                class="text-[10px] px-1.5 py-0.5 rounded border border-border hover:border-accent-strong text-foreground-muted hover:text-accent">
          Compare config
        </button>
        <!-- v12.0.0a2: migrated to shared stateBadgeHtml helper. -->
        <span x-html="window.harbormaster.stateBadgeHtml(pluginsBadgeProps())"></span>
      </div>
    </header>
    <p x-show="plugins.error"
       class="text-xs text-warning mb-2"
       x-text="plugins.error"></p>
    <div x-show="!pluginsError" class="text-xs space-y-1">
      <p class="text-foreground-subtle" x-show="(plugins.plugins || []).length === 0">
        No entry points discovered.
      </p>
      <template x-for="row in (plugins.plugins || [])" :key="row.entry_point + ':' + row.dist_name">
        <div class="flex items-baseline gap-2">
          <!-- v12.0.0a2: per-plugin status badge migrated to shared
               stateBadgeHtml helper. -->
          <span x-html="window.harbormaster.stateBadgeHtml(pluginRowBadgeProps(row))"></span>
          <span class="text-foreground-muted truncate" x-text="row.dist_name || '<unknown>'"></span>
          <span class="text-foreground-subtle text-[10px]" x-show="row.entry_point" x-text="`(${row.entry_point})`"></span>
        </div>
      </template>
    </div>
    <p x-show="pluginsError" :aria-hidden="!pluginsError" role="alert" aria-live="assertive" class="text-xs text-danger" x-text="pluginsError"></p>
    <!-- v15.0.0a2: per-host fan-out summary. Only rendered when the
         host filter is set to "all"; populated from the
         /api/plugins?host=all envelope. -->
    <div x-show="pluginHost === 'all' && pluginsAllHosts"
         class="mt-2 border-t border-border pt-2 space-y-1 text-[10px]">
      <p class="text-foreground-subtle">Per-host summary:</p>
      <template x-for="(payload, name) in (pluginsAllHosts || {})" :key="'phost:' + name">
        <div class="flex items-baseline gap-2">
          <span class="font-mono text-foreground-muted" x-text="name"></span>
          <span x-show="payload.error" class="text-danger truncate"
                x-text="payload.error"></span>
          <span x-show="!payload.error"
                class="text-foreground-subtle"
                x-text="`enabled=${payload.enabled} · ${(payload.plugins || []).length} ep`"></span>
        </div>
      </template>
    </div>
    <!-- v15.0.0a2: cross-host config diff panel. -->
    <div x-show="configDiffOpen"
         class="mt-3 border border-cyan-900/40 rounded bg-surface-1 p-2">
      <div class="flex items-center justify-between mb-1 gap-2">
        <span class="text-xs text-accent">Config diff: local → <span x-text="pluginHost"></span></span>
        <button type="button" @click="configDiffOpen = false"
                aria-label="Close config diff"
                class="text-xs px-1.5 py-0 rounded border border-border hover:border-rose-700 text-foreground-muted hover:text-danger">
          ×
        </button>
      </div>
      <p x-show="configDiffError" role="alert" class="text-xs text-danger mb-2"
         x-text="configDiffError"></p>
      <p x-show="!configDiffError && !configDiff"
         class="text-xs text-foreground-subtle">(no differences)</p>
      <pre x-show="configDiff && !configDiffError"
           class="text-xs whitespace-pre text-foreground max-h-64 overflow-auto font-mono"
           x-text="configDiff"></pre>
    </div>
  </article>
</section>

<!-- v5.0.0a1: auto-reembed runner status. Polls /api/history/state
     every 3s while phase is "running"; idles otherwise. -->
<section x-data="reembedPanel()" x-init="loadOnce()"
         class="mb-6 border border-border rounded-lg p-4 bg-gray-900/40"
         x-show="state.available && (state.phase !== 'idle' || state.auto_reembed_enabled)">
  <header class="flex items-center justify-between mb-2 gap-2 flex-wrap">
    <h3 class="text-sm font-bold text-foreground-muted">Auto-reembed</h3>
    <div class="flex items-center gap-2">
      <!-- v6.0.0a1: manual trigger button. Disabled while running. -->
      <button type="button" @click="triggerManual()"
              :disabled="state.phase === 'running' || triggering || cancelling"
              :aria-busy="triggering"
              aria-label="Run reembed now"
              class="text-xs px-2 py-0.5 rounded border border-border bg-gray-900/60 hover:bg-surface-3 disabled:bg-surface-2 disabled:text-foreground-subtle transition focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-cyan-400 focus-visible:ring-offset-2 focus-visible:ring-offset-gray-950"
              title="run reembed now (skips the auto_reembed_on_drift gate)">
        <span x-show="!triggering">run now</span>
        <span x-show="triggering">starting…</span>
      </button>
      <!-- v7.0.0a3: cancel button. Only visible while running and the
           cancel flag has not yet been observed by the worker. -->
      <button type="button" @click="cancelRunning()"
              x-show="state.phase === 'running' && !state.cancel_requested"
              :disabled="cancelling"
              :aria-busy="cancelling"
              aria-label="Cancel running reembed"
              class="text-xs px-2 py-0.5 rounded border border-warning bg-amber-900/30 hover:bg-amber-900/50 text-amber-200 disabled:opacity-50 transition focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-amber-400 focus-visible:ring-offset-2 focus-visible:ring-offset-gray-950"
              title="signal the running reembed to stop after current host">
        <span x-show="!cancelling">cancel</span>
        <span x-show="cancelling">cancelling…</span>
      </button>
      <!-- v12.0.0a2: phase badge migrated to shared stateBadgeHtml
           helper. Spinner span passed via iconHtml=true so the
           animated SVG-equivalent stays as a live element. -->
      <span x-html="window.harbormaster.stateBadgeHtml(phaseBadgeProps())"></span>
    </div>
  </header>
  <div x-show="state.phase === 'running'" class="text-xs text-foreground-muted">
    <div class="flex items-baseline justify-between gap-2 mb-1">
      <span x-text="state.current_host ? `processing host: ${state.current_host}` : 'preparing…'"></span>
      <span class="text-foreground-subtle" x-text="progressLabel()"></span>
    </div>
    <div class="h-1.5 bg-surface-3 rounded overflow-hidden">
      <div class="h-full bg-accent transition-all"
           :style="`width: ${state.total ? (state.processed / state.total * 100) : 0}%`"></div>
    </div>
  </div>
  <div x-show="state.phase === 'done'" class="text-xs text-success">
    <span x-text="state.total ? `Completed ${state.total} host${state.total === 1 ? '' : 's'}` : 'Done'"></span>
    <span x-show="state.finished_at" class="text-foreground-subtle"
          x-text="` · ${formatDuration(state.started_at, state.finished_at)}`"></span>
  </div>
  <div x-show="state.phase === 'failed'" :aria-hidden="state.phase !== 'failed'" role="alert" aria-live="assertive" class="text-xs">
    <p class="text-danger mb-1">Auto-reembed failed.</p>
    <p class="text-foreground-muted break-words" x-text="state.error"></p>
  </div>
  <!-- v7.0.0a3: cancelled phase. Worker stopped between hosts. -->
  <div x-show="state.phase === 'cancelled'" class="text-xs text-warning">
    <span x-text="`Cancelled after ${state.processed} of ${state.total} host${state.total === 1 ? '' : 's'}`"></span>
    <span x-show="state.finished_at" class="text-foreground-subtle"
          x-text="` · ${formatDuration(state.started_at, state.finished_at)}`"></span>
  </div>
  <div x-show="state.phase === 'idle' && state.auto_reembed_enabled"
       class="text-xs text-foreground-subtle">
    Idle — no embedding drift detected. Auto-reembed runs on next startup
    if the configured embedding model changes.
  </div>
  <p x-show="error" :aria-hidden="!error" role="alert" aria-live="assertive" class="text-xs text-danger" x-text="error"></p>

  <!-- v7.0.0a4: collapsible last-5-runs history table.
       Lazy-loads via fetchRuns() the first time the user opens it. -->
  <details class="mt-3 text-xs" x-show="state.available"
           @toggle="if ($event.target.open) loadRuns()">
    <summary class="cursor-pointer text-foreground-subtle hover:text-foreground-muted">
      <span>recent runs</span>
      <span class="text-foreground-subtle" x-show="runs.length"
            x-text="`(${runs.length})`"></span>
    </summary>
    <div class="mt-2">
      <p x-show="runsLoading" :aria-hidden="!runsLoading" class="text-foreground-muted">loading…</p>
      <!-- v8.0.0a3: canonical 3-part empty state for reembed history. -->
      <div x-show="!runsLoading && runs.length === 0"
           :aria-hidden="!(!runsLoading && runs.length === 0)"
           role="status"
           data-empty-state="reembed.no-runs"
           class="border border-border bg-gray-900/40 text-foreground-muted px-3 py-4 rounded text-center">
        <p class="text-xs font-bold text-foreground mb-1">No reembed runs yet</p>
        <p class="text-[11px] text-foreground-muted mb-2">
          Click <span class="text-accent">run now</span> above to trigger a manual run,
          or wait for an embedding-model drift to fire it automatically.
        </p>
        <button type="button" @click="triggerManual()"
                :disabled="state.phase === 'running' || triggering || cancelling"
                aria-label="Trigger reembed run now"
                class="text-[11px] px-2 py-0.5 rounded border border-accent-strong bg-cyan-900/30 hover:bg-cyan-900/50 text-accent transition disabled:bg-surface-2 disabled:text-foreground-subtle focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-cyan-400 focus-visible:ring-offset-2 focus-visible:ring-offset-gray-950">
          Run now
        </button>
      </div>
      <table x-show="!runsLoading && runs.length > 0"
             class="w-full text-left border-collapse">
        <thead class="text-foreground-subtle">
          <tr>
            <th class="pr-2 py-0.5 font-normal">finished</th>
            <th class="pr-2 py-0.5 font-normal">duration</th>
            <th class="pr-2 py-0.5 font-normal text-success">ok</th>
            <th class="pr-2 py-0.5 font-normal text-danger">fail</th>
            <th class="pr-2 py-0.5 font-normal text-warning">cancel</th>
            <th class="pr-2 py-0.5 font-normal">model</th>
            <!-- v14.0.0a3: per-row diff vs prior run. -->
            <th class="py-0.5 font-normal"></th>
          </tr>
        </thead>
        <tbody>
          <template x-for="r in runs.slice(-5).reverse()"
                    :key="r.started_at">
            <tr class="border-t border-border">
              <td class="pr-2 py-0.5 text-foreground-muted"
                  x-text="formatRelative(r.finished_at)"></td>
              <td class="pr-2 py-0.5 text-foreground-muted"
                  x-text="formatDuration(r.started_at, r.finished_at)"></td>
              <td class="pr-2 py-0.5 text-success"
                  x-text="r.succeeded"></td>
              <td class="pr-2 py-0.5"
                  :class="r.failed ? 'text-danger' : 'text-foreground-subtle'"
                  x-text="r.failed"></td>
              <td class="pr-2 py-0.5"
                  :class="r.cancelled ? 'text-warning' : 'text-foreground-subtle'"
                  x-text="r.cancelled"></td>
              <td class="pr-2 py-0.5 text-foreground-subtle text-[10px]"
                  x-text="r.model || ''"></td>
              <!-- v14.0.0a3: Diff button. Visible on every row except
                   the first (no prior run to diff against). Compares
                   this run vs the immediately-preceding chronological
                   run via the v13.a3 reembed parity endpoint. -->
              <td class="py-0.5 text-right">
                <button type="button"
                        x-show="runs.indexOf(r) > 0"
                        @click="loadRunDiff(r)"
                        :aria-label="`Diff this run against the previous run`"
                        class="text-[10px] px-1.5 py-0 rounded border border-border hover:border-accent-strong text-foreground-muted hover:text-accent focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-accent">
                  Diff
                </button>
              </td>
            </tr>
          </template>
        </tbody>
      </table>
      <!-- v14.0.0a3: per-row diff panel. Renders the JSON delta from
           the v13.a3 reembed parity endpoint as a 5-cell summary. -->
      <div x-show="runDiffOpen" class="mt-3 border border-cyan-900/40 rounded bg-surface-1 p-2 text-xs">
        <div class="flex items-center justify-between mb-1">
          <span class="text-accent">
            Diff: run #<span x-text="runDiff.from_index"></span>
            → #<span x-text="runDiff.to_index"></span>
          </span>
          <button type="button" @click="runDiffOpen = false"
                  aria-label="Close run diff panel"
                  class="text-foreground-muted hover:text-accent text-[11px] px-1.5 py-0 rounded border border-border">
            close
          </button>
        </div>
        <p x-show="runDiffError" role="alert" class="text-danger" x-text="runDiffError"></p>
        <dl x-show="!runDiffError && runDiff.delta"
            class="grid grid-cols-2 gap-x-4 gap-y-0.5 font-mono text-[11px]">
          <dt class="text-foreground-subtle">duration_seconds</dt>
          <dd class="text-foreground" x-text="runDiff.delta?.duration_seconds?.toFixed(1)"></dd>
          <dt class="text-foreground-subtle">total</dt>
          <dd class="text-foreground" x-text="formatDelta(runDiff.delta?.total)"></dd>
          <dt class="text-foreground-subtle">succeeded</dt>
          <dd :class="runDiff.delta?.succeeded < 0 ? 'text-danger' : 'text-success'"
              x-text="formatDelta(runDiff.delta?.succeeded)"></dd>
          <dt class="text-foreground-subtle">failed</dt>
          <dd :class="runDiff.delta?.failed > 0 ? 'text-danger' : 'text-success'"
              x-text="formatDelta(runDiff.delta?.failed)"></dd>
          <dt class="text-foreground-subtle">cancelled</dt>
          <dd :class="runDiff.delta?.cancelled > 0 ? 'text-warning' : 'text-foreground-subtle'"
              x-text="formatDelta(runDiff.delta?.cancelled)"></dd>
          <dt class="text-foreground-subtle">model_changed</dt>
          <dd :class="runDiff.delta?.model_changed ? 'text-warning' : 'text-foreground-subtle'"
              x-text="runDiff.delta?.model_changed ? 'yes' : 'no'"></dd>
        </dl>
      </div>
    </div>
  </details>
</section>

<!-- v2.1.0a3: recall search. Hits /api/recall (which wraps the
     recall_qa MCP tool) and renders match cards inline. -->
<section x-data="recallPanel()" x-init="restoreFromUrl()"
         class="mb-6 border border-border rounded-lg p-4 bg-gray-900/40">
  <header class="mb-3 flex items-center justify-between gap-2 flex-wrap">
    <h2 class="text-lg font-bold">Recall Q&amp;A history</h2>
    <span class="text-xs text-foreground-subtle">
      semantic search over <code class="text-accent">recall_qa</code> store
    </span>
  </header>
  <form @submit.prevent="search()" class="flex flex-col md:flex-row gap-2 mb-3">
    <input type="text" x-model="question" required minlength="2"
           placeholder="e.g. how does authentication work?"
           class="flex-1 bg-surface-1 border border-border rounded px-3 py-2 text-sm focus:border-accent-strong focus:outline-none">
    <input type="text" x-model="project"
           placeholder="project filter (optional)"
           class="md:w-48 bg-surface-1 border border-border rounded px-3 py-2 text-sm focus:border-accent-strong focus:outline-none">
    <select x-model="host"
            class="md:w-32 bg-surface-1 border border-border rounded px-3 py-2 text-sm focus:border-accent-strong focus:outline-none">
      <option value="local">local</option>
      <option value="all">all hosts</option>
    </select>
    <button type="submit"
            :disabled="loading || question.trim().length < 2"
            :aria-busy="loading"
            class="bg-accent-strong hover:bg-accent disabled:bg-surface-3 disabled:text-foreground-muted text-white font-bold px-4 py-2 rounded text-sm transition focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-cyan-400 focus-visible:ring-offset-2 focus-visible:ring-offset-gray-950">
      <span x-show="!loading">Search</span>
      <span x-show="loading" aria-hidden="true">…</span>
    </button>
  </form>
  <div x-show="message" :aria-hidden="!message" role="status" aria-live="polite" class="text-xs text-warning mb-2" x-text="message"></div>
  <div x-show="error" :aria-hidden="!error" role="alert" aria-live="assertive" class="text-xs text-danger mb-2" x-text="error"></div>
  <div x-show="hasResults">
    <p class="text-xs text-foreground-subtle mb-2"
       x-text="`${matches.length} match${matches.length === 1 ? '' : 'es'} (backend: ${backend})`"></p>
    <ul class="space-y-2">
      <template x-for="m in matches" :key="m.id + ':' + m.host">
        <li class="border border-border rounded p-3 bg-gray-950/50">
          <div class="flex items-baseline justify-between gap-2 flex-wrap text-xs">
            <a :href="`/projects/${encodeURIComponent(m.project)}${m.host && m.host !== 'local' ? '?host=' + encodeURIComponent(m.host) : ''}`"
               class="font-bold text-accent hover:underline" x-text="m.project"></a>
            <div class="flex items-center gap-2 text-foreground-subtle">
              <span x-text="`host: ${m.host}`"></span>
              <span x-text="`tool: ${m.tool}`"></span>
              <span x-text="`score: ${m.score.toFixed(3)}`"></span>
            </div>
          </div>
          <p class="text-sm text-foreground mt-1" x-text="m.question"></p>
          <p class="text-xs text-foreground-muted mt-1 line-clamp-3" x-text="m.answer"></p>
        </li>
      </template>
    </ul>
  </div>
  <!-- v8.0.0a3: canonical 3-part empty state for recall search. -->
  <div x-show="searched && matches.length === 0 && !error && !message"
       :aria-hidden="!(searched && matches.length === 0 && !error && !message)"
       role="status"
       data-empty-state="recall.no-matches"
       class="border border-border bg-gray-900/40 text-foreground-muted px-4 py-6 rounded text-center">
    <p class="text-sm font-bold text-foreground mb-1">No matches found</p>
    <p class="text-xs text-foreground-muted mb-3">
      Try broadening the question, removing the project filter,
      or selecting <code class="text-accent">all hosts</code>.
    </p>
    <button type="button"
            @click="question = ''; project = ''; host = 'local'; searched = false; persistToUrl()"
            aria-label="Clear recall filters"
            class="text-xs px-3 py-1 rounded border border-accent-strong bg-cyan-900/30 hover:bg-cyan-900/50 text-accent transition focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-cyan-400 focus-visible:ring-offset-2 focus-visible:ring-offset-gray-950">
      Clear filters
    </button>
  </div>
</section>

<!-- v2.1.0a1: project graph render. Mermaid markup comes from
     /api/graph; we re-render with mermaid.run() after the DOM has the
     fresh markup so the layout adapts to includeDevDeps / transitive. -->
<section x-data="graphPanel()" x-init="loadGraph()"
         class="mb-6 border border-border rounded-lg p-4 bg-gray-900/40">
  <header class="flex items-center justify-between mb-3 gap-2 flex-wrap">
    <h2 class="text-lg font-bold">Project graph</h2>
    <div class="flex items-center gap-3 text-xs text-foreground-muted">
      <label class="flex items-center gap-1.5">
        <input type="checkbox" x-model="includeDevDeps" @change="loadGraph()" class="accent-cyan-500">
        dev deps
      </label>
      <label class="flex items-center gap-1.5">
        <input type="checkbox" x-model="transitive" @change="loadGraph()" class="accent-cyan-500">
        transitive (lockfiles)
      </label>
      <span x-show="graph.projects_discovered !== undefined"
            x-text="`${graph.projects_discovered} projects · ${(graph.graph?.edges?.length ?? 0)} edges${graph.projects_with_lockfile !== undefined ? ' · ' + graph.projects_with_lockfile + ' with lockfile' : ''}`"></span>
    </div>
  </header>
  <div x-show="graphError" :aria-hidden="!graphError" role="alert" aria-live="assertive" class="text-xs text-danger" x-text="graphError"></div>
  <div x-show="graphLoading" class="text-xs text-foreground-subtle">Rendering…</div>
  <div x-show="!graphLoading && (graph.graph?.edges?.length ?? 0) === 0"
       class="text-xs text-foreground-subtle">
    No edges yet — graph edges only appear when one project's dep matches
    another project's manifest name. Try enabling <code class="text-accent">transitive</code>
    to also consider lockfile-resolved deps.
  </div>
  <!-- v3.0.0a9: mobile-friendly graph viewport.
       v4.0.0a3: pinch-zoom + drag-pan via graphZoom() Alpine scope.
       The transform-target div carries the scale/translate; touch
       events on the outer container drive zoom; mouse wheel zooms
       on desktop; reset button returns to scale=1, translate=0,0. -->
  <div x-data="graphZoom()"
       x-show="!graphLoading"
       x-init="bindKeyboard()"
       @keydown.window="onKeyDown($event)"
       class="relative" tabindex="0">
    <div class="absolute top-2 right-2 z-10 flex gap-1">
      <button type="button" @click="reset()"
              aria-label="Reset graph zoom"
              class="text-xs bg-gray-900/80 hover:bg-surface-3 border border-border px-2 py-0.5 rounded focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-cyan-400 focus-visible:ring-offset-2 focus-visible:ring-offset-gray-950"
              :title="`reset zoom (current: ${scale.toFixed(2)}×) — press Esc or double-tap`">
        reset
      </button>
    </div>
    <div class="overflow-hidden max-h-[60vh] border border-border-strong rounded bg-gray-950/40 p-2 select-none"
         @wheel.prevent="onWheel($event)"
         @touchstart="onTouchStart($event)"
         @touchmove.prevent="onTouchMove($event)"
         @touchend="onTouchEnd($event)"
         @mousedown="onMouseDown($event)"
         @mousemove="onMouseMove($event)"
         @mouseup="onMouseUp($event)"
         @mouseleave="onMouseUp($event)">
      <div :style="`transform: translate(${tx}px, ${ty}px) scale(${scale}); transform-origin: 0 0; transition: ${transitioning ? 'transform 0.2s ease' : 'none'}; cursor: ${dragging ? 'grabbing' : 'grab'};`">
        <pre class="mermaid text-xs leading-tight" x-ref="diagram" x-text="mermaidMarkup"></pre>
      </div>
    </div>
  </div>
</section>

<!-- Project grid (carried forward from v2.0).
     v5.0.0a6: text-based filter input + URL state encoding.
     v6.0.0a3: sort dropdown + group toggle. -->
<section x-data="projectGrid()" x-init="init()">
  <header class="mb-4 flex items-baseline justify-between gap-3 flex-wrap">
    <h2 class="text-lg font-bold">Projects</h2>
    <div class="flex items-baseline gap-3 ml-auto flex-wrap">
      <select x-model="sort" @change="persistToUrl()"
              class="bg-surface-1 border border-border rounded px-2 py-1.5 text-xs focus:border-accent-strong focus:outline-none">
        <option value="last_commit">sort: recent</option>
        <option value="alpha">sort: alphabetical</option>
        <option value="language">sort: by language</option>
      </select>
      <select x-model="group" @change="persistToUrl()"
              class="bg-surface-1 border border-border rounded px-2 py-1.5 text-xs focus:border-accent-strong focus:outline-none">
        <option value="flat">group: flat</option>
        <option value="language">group: by language</option>
      </select>
      <input type="text" x-model="filter" @input.debounce.150ms="persistToUrl()"
             placeholder="filter by name / path / brief…"
             class="bg-surface-1 border border-border rounded px-3 py-1.5 text-sm focus:border-accent-strong focus:outline-none w-56">
      <span class="text-sm text-foreground-muted" x-show="!loading"
            x-text="filter
              ? `${visibleProjects().length} of ${projects.length} match`
              : `${projects.length} discovered`"></span>
    </div>
  </header>

  <div x-show="loading" class="text-foreground-muted">Loading projects…</div>

  <div x-show="error" :aria-hidden="!error" role="alert" aria-live="assertive" class="border border-red-800 bg-red-950/40 text-danger px-4 py-3 rounded">
    Error loading projects: <span x-text="error"></span>
  </div>

  <!-- v8.0.0a3: canonical 3-part empty state — headline + body + CTA. -->
  <div x-show="!loading && !error && projects.length === 0"
       :aria-hidden="!(!loading && !error && projects.length === 0)"
       role="status"
       data-empty-state="dashboard.no-projects"
       class="border border-border bg-gray-900/40 text-foreground-muted px-4 py-6 rounded text-center">
    <p class="text-sm font-bold text-foreground mb-1">No projects discovered</p>
    <p class="text-xs text-foreground-muted mb-3">
      Harbormaster scans <code class="text-accent">~/htdocs/*</code> by default.
      Add <code class="text-accent">[projects] glob</code> or <code class="text-accent">[hosts.*]</code>
      entries to <code class="text-accent">~/.config/harbormaster/config.toml</code>.
    </p>
    <a href="https://github.com/FleetQ/harbormaster/blob/main/docs/operator-guide.md"
       class="text-xs px-3 py-1 rounded border border-accent-strong bg-cyan-900/30 hover:bg-cyan-900/50 text-accent transition inline-block focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-cyan-400 focus-visible:ring-offset-2 focus-visible:ring-offset-gray-950">
      Read the operator guide
    </a>
  </div>

  <div x-show="!loading && !error && filter && visibleProjects().length === 0"
       :aria-hidden="!(filter && visibleProjects().length === 0)"
       role="status"
       class="border border-border bg-gray-900/40 text-foreground-muted px-4 py-6 rounded">
    No projects match <code class="text-accent" x-text="filter"></code>.
    <button type="button" @click="filter = ''; persistToUrl()"
            aria-label="Clear project filter"
            class="ml-2 text-accent hover:text-accent underline focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-cyan-400 focus-visible:ring-offset-2 focus-visible:ring-offset-gray-950">clear</button>
  </div>

  <!-- v6.0.0a3: groupedProjects() returns one entry for flat mode
       (label empty) or one entry per language for grouped mode. The
       inner grid is identical; the outer wrapper renders the heading
       only when label is non-empty. -->
  <div x-show="!loading && !error && visibleProjects().length > 0">
    <template x-for="g in groupedProjects()" :key="g.label || '__flat__'">
      <div class="mb-4">
        <h3 x-show="g.label"
            class="text-sm font-bold text-foreground-muted uppercase tracking-wide mb-2 mt-2 border-b border-border pb-1"
            x-text="g.label"></h3>
        <div class="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-4">
          <template x-for="p in g.items" :key="p.path">
      <article x-data="{ askExpanded: false }"
               class="border border-border rounded-lg p-4 hover:border-accent-strong transition bg-gray-900/40">
        <header class="flex items-baseline justify-between mb-2 gap-2">
          <h3 class="font-bold text-accent truncate">
            <a :href="`/projects/${encodeURIComponent(p.name)}`"
               class="hover:text-accent no-underline" x-text="p.name"></a>
          </h3>
          <span class="text-xs text-foreground-subtle shrink-0"
                x-text="p.last_commit ? p.last_commit.hash : '(no git)'"></span>
        </header>
        <p class="text-sm text-foreground-muted mb-3 line-clamp-2"
           x-text="p.brief || '(no description)'"></p>
        <footer class="flex flex-wrap gap-2 text-xs items-center">
          <!-- v7.0.0a6: language badge. Hidden when p.language is
               missing or 'unknown' so cards without detection stay
               quiet rather than displaying a placeholder. -->
          <span x-show="p.language && p.language !== 'unknown'"
                class="px-2 py-0.5 rounded border"
                :class="languageBadgeClass(p.language)"
                x-text="p.language"
                :title="`detected language: ${p.language}`"></span>
          <span x-show="p.has_serena"
                class="bg-purple-900/50 text-info px-2 py-0.5 rounded">serena</span>
          <span x-show="p.has_claude_md"
                class="bg-cyan-900/50 text-accent px-2 py-0.5 rounded">claude.md</span>
          <span class="text-foreground-subtle truncate font-mono flex-1" x-text="p.path"></span>
          <!-- v3.0.0a7: per-card inline ask form trigger -->
          <button type="button" @click="askExpanded = !askExpanded"
                  class="ml-auto bg-cyan-900/50 text-accent px-2 py-0.5 rounded hover:bg-cyan-800/60 transition focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-cyan-400 focus-visible:ring-offset-2 focus-visible:ring-offset-gray-950"
                  :aria-expanded="askExpanded"
                  :aria-label="askExpanded ? 'Close inline ask form for ' + p.name : 'Open inline ask form for ' + p.name"
                  :title="askExpanded ? 'collapse ask form' : 'inline ask without leaving the dashboard'"
                  x-text="askExpanded ? 'close' : 'ask'"></button>
        </footer>
        <!-- Collapsible inline ask form. Uses the global askForm() Alpine
             component from project_detail.html so streaming + abort logic
             is identical between the two surfaces (v3.0.0a7). -->
        <section x-show="askExpanded" x-cloak
                 x-data="askForm({ project: p.name, host: 'local' })"
                 class="mt-3 border-t border-border pt-3">
          <form @submit.prevent="ask()">
            <textarea x-model="question" rows="2" required minlength="3"
                      :disabled="loading"
                      placeholder="Ask this project a question…"
                      class="w-full bg-surface-1 border border-border rounded px-2 py-1.5 text-xs focus:border-accent-strong focus:outline-none resize-y"></textarea>
            <div class="mt-1.5 flex flex-wrap items-center gap-2 text-xs text-foreground-muted">
              <label class="flex items-center gap-1">
                turns
                <input type="number" min="1" max="10" x-model.number="maxTurns"
                       class="w-12 bg-surface-1 border border-border rounded px-1 py-0.5 text-center">
              </label>
              <span class="text-foreground-muted" x-show="loading">streaming…</span>
              <span class="text-foreground-muted ml-auto" x-show="!loading && hasResult"
                    x-text="`${chunks} chunks · ${(elapsedMs/1000).toFixed(1)}s`"></span>
              <button type="submit"
                      :disabled="loading || question.trim().length < 3"
                      :aria-busy="loading"
                      class="bg-accent-strong hover:bg-accent disabled:bg-surface-3 disabled:text-foreground-muted text-white font-bold px-2 py-0.5 rounded text-xs focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-cyan-400 focus-visible:ring-offset-2 focus-visible:ring-offset-gray-950">
                <span x-show="!loading">Ask</span>
                <span x-show="loading" aria-hidden="true">…</span>
              </button>
              <button type="button" x-show="loading" @click="abort()"
                      aria-label="Stop streaming"
                      :aria-hidden="!loading"
                      class="text-warning hover:text-warning underline focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-cyan-400 focus-visible:ring-offset-2 focus-visible:ring-offset-gray-950">stop</button>
            </div>
          </form>
          <div x-show="error" :aria-hidden="!error" role="alert" aria-live="assertive" class="mt-2 text-xs text-danger" x-text="error"></div>
          <pre x-show="streamText"
               :aria-hidden="!streamText"
               aria-live="polite"
               aria-atomic="false"
               aria-label="Streaming answer"
               class="mt-2 text-xs whitespace-pre-wrap break-words border border-border rounded p-2 bg-gray-950/50 text-foreground leading-relaxed max-h-48 overflow-y-auto"
               x-text="streamText"></pre>
        </section>
      </article>
          </template>
        </div>
      </div>
    </template>
  </div>
</section>

{# v3.0.0a7: per-card inline ask form needs the askForm() Alpine
   component. Dashboard owns its own card markup so the partial's
   form HTML isn't reused — only the script.
#}
{% include "_partials/_ask_form_script.html" %}

<script>
  // v8.0.0a5: KPI strip Alpine scope. Single /api/kpi fetch on
  // mount + every 30s. Per-cell helpers compute label + color so
  // the template is presentational only.
  function kpiStrip() {
    return {
      kpi: {},
      // v14.0.0a4: per-host call budget summary. Loaded separately so
      // the existing /api/kpi shape doesn't have to grow.
      hostBudget: { hosts: [] },
      _interval: null,

      async loadKpi() {
        try {
          const r = await hmFetch('/api/kpi');
          if (!r.ok) throw new Error('HTTP ' + r.status);
          this.kpi = await r.json();
        } catch (_) {
          // Soft-fail — leave kpi = {} so cells fall back to '—'.
        }
      },

      // v14.0.0a4: hits /api/hosts/budget every 30s alongside the
      // KPI poll. Soft-fails (leaves hostBudget.hosts = []).
      async loadBudget() {
        try {
          const r = await hmFetch('/api/hosts/budget');
          if (!r.ok) throw new Error('HTTP ' + r.status);
          this.hostBudget = await r.json();
        } catch (_) { /* soft-fail */ }
      },

      startPolling() {
        this._interval = setInterval(() => {
          this.loadKpi();
          this.loadBudget();
        }, 30000);
      },

      activeEmbedsLabel() {
        const ae = this.kpi.active_embeds || {};
        if (!ae.phase || ae.phase === 'idle') return 'idle';
        if (ae.phase === 'running') {
          const p = ae.processed ?? 0;
          const t = ae.total ?? 0;
          return t ? `${p}/${t}` : 'running';
        }
        return ae.phase;
      },

      activeEmbedsClass() {
        const phase = (this.kpi.active_embeds || {}).phase || 'idle';
        const map = {
          running: 'text-accent',
          done: 'text-success',
          failed: 'text-danger',
          cancelled: 'text-warning',
          idle: 'text-foreground-muted',
        };
        return map[phase] || 'text-foreground-muted';
      },

      bridgeClass() {
        const state = this.kpi.bridge;
        const map = {
          configured: 'text-success',
          'token missing': 'text-warning',
          disabled: 'text-foreground-muted',
          connected: 'text-success',
          stale: 'text-warning',
          disconnected: 'text-danger',
        };
        return map[state] || 'text-foreground-muted';
      },

      // v14.0.0a4: pick the worst-usage configured host for the cell.
      // Hosts without a budget set are filtered out.
      _worstBudgetUsage() {
        const tracked = (this.hostBudget.hosts || [])
          .filter(h => h.budget != null && h.usage_pct != null);
        if (tracked.length === 0) return null;
        let worst = tracked[0];
        for (const h of tracked) {
          if (h.usage_pct > worst.usage_pct) worst = h;
        }
        return worst;
      },

      hostBudgetLabel() {
        const w = this._worstBudgetUsage();
        if (!w) return '—';
        return `${w.usage_pct}%`;
      },

      hostBudgetClass() {
        const w = this._worstBudgetUsage();
        if (!w) return 'text-foreground-muted';
        if (w.usage_pct >= 100) return 'text-danger';
        if (w.usage_pct >= 80) return 'text-warning';
        return 'text-success';
      },

      hostBudgetAriaLabel() {
        const w = this._worstBudgetUsage();
        if (!w) return 'No host call budgets configured';
        return `Worst host budget: ${w.host} at ${w.usage_pct}% of ${w.budget} calls/24h`;
      },
    };
  }

  function statusStrip() {
    return {
      bridge: {}, bridgeError: null,
      plugins: {}, pluginsError: null,
      // v14.0.0a6: cross-host plugin discovery state. `pluginHost` is
      // either "local" (default) or a configured host name; loadPlugins
      // forwards it to /api/plugins?host=…. `pluginHosts` is populated
      // once from /api/hosts so the dropdown shows configured names.
      pluginHost: 'local',
      pluginHosts: [],
      // v15.0.0a2: per-host fan-out summary rendered when host=all.
      // Shape: {<name>: <per-host plugin payload>, ...}
      pluginsAllHosts: null,
      // v15.0.0a2: cross-host config diff state.
      configDiffOpen: false,
      configDiff: '',
      configDiffError: '',

      async loadAll() {
        await Promise.all([
          this.loadBridge(),
          this.loadPlugins(),
          this.loadPluginHosts(),
        ]);
      },
      async loadBridge() {
        try {
          const r = await hmFetch('/api/bridge/status');
          if (!r.ok) throw new Error('HTTP ' + r.status);
          this.bridge = await r.json();
        } catch (e) { this.bridgeError = e.message; }
      },
      async loadPlugins() {
        try {
          // v14.0.0a6: append host filter when not "local".
          const url = this.pluginHost && this.pluginHost !== 'local'
            ? `/api/plugins?host=${encodeURIComponent(this.pluginHost)}`
            : '/api/plugins';
          const r = await hmFetch(url);
          if (!r.ok) throw new Error('HTTP ' + r.status);
          const body = await r.json();
          // v15.0.0a2: when host=all, the envelope is {hosts: {...}}.
          // We keep `plugins` showing the local payload (the always-present
          // entry under "local"); pluginsAllHosts populates the per-host
          // summary panel below.
          if (this.pluginHost === 'all' && body && body.hosts) {
            this.pluginsAllHosts = body.hosts;
            this.plugins = body.hosts.local || {};
          } else {
            this.pluginsAllHosts = null;
            this.plugins = body;
          }
          this.pluginsError = null;
        } catch (e) { this.pluginsError = e.message; }
      },

      // v15.0.0a2: fetch the unified diff against a remote host's
      // harbormaster.toml. Opens the diff panel inline.
      async loadConfigDiff() {
        if (!this.pluginHost || this.pluginHost === 'local'
            || this.pluginHost === 'all') return;
        this.configDiffOpen = true;
        this.configDiff = '';
        this.configDiffError = '';
        try {
          const r = await hmFetch(
            `/api/config/diff?host=${encodeURIComponent(this.pluginHost)}`,
          );
          if (!r.ok) {
            let detail = 'HTTP ' + r.status;
            try { const j = await r.json(); detail = j.detail || detail; } catch (_) {}
            throw new Error(detail);
          }
          const body = await r.json();
          if (body.error) {
            this.configDiffError = body.error;
            return;
          }
          this.configDiff = body.diff || '';
        } catch (e) {
          this.configDiffError = 'failed to load diff: ' + e.message;
        }
      },
      // v14.0.0a6: populate the host filter dropdown from the v14.a4
      // /api/hosts/budget endpoint, which already returns the list of
      // configured hosts. Soft-fail — if the endpoint is unavailable
      // the dropdown stays hidden (only "local" path remains).
      async loadPluginHosts() {
        try {
          const r = await hmFetch('/api/hosts/budget');
          if (!r.ok) return;
          const body = await r.json();
          const hosts = (body.hosts || []).map(h => h.host).filter(Boolean);
          this.pluginHosts = hosts;
        } catch (_) { /* soft-fail */ }
      },
      bridgeStateLabel() {
        if (!this.bridge.fleetq_enabled) return 'disabled';
        if (!this.bridge.api_token_present) return 'token missing';
        const rt = this.bridge.runtime;
        if (rt && rt.available && rt.state_file_present) {
          if (rt.connected && !rt.stale && rt.subscribed) return 'connected';
          if (rt.connected && rt.stale) return 'stale';
          if (rt.connected) return 'connecting';
          return 'disconnected';
        }
        return 'configured';
      },
      bridgeBadgeClass() {
        if (!this.bridge.fleetq_enabled) return 'bg-surface-3 text-foreground-muted';
        if (!this.bridge.api_token_present) return 'bg-amber-900/50 text-warning';
        const rt = this.bridge.runtime;
        if (rt && rt.available && rt.state_file_present) {
          if (rt.connected && !rt.stale && rt.subscribed) return 'bg-emerald-900/50 text-success';
          if (rt.connected && rt.stale) return 'bg-amber-900/50 text-warning';
          if (rt.connected) return 'bg-cyan-900/50 text-accent';
          return 'bg-rose-900/50 text-danger';
        }
        return 'bg-emerald-900/50 text-success';
      },
      // v8.0.0a2: glyph per state. Icons reinforce color (color-blind
      // operators get the same affordance as colored badges).
      bridgeStateIcon() {
        const label = this.bridgeStateLabel();
        const map = {
          disabled: '⊘',
          'token missing': '⚠',
          connected: '✓',
          stale: '⚠',
          connecting: '⟳',
          disconnected: '✗',
          configured: '●',
        };
        return map[label] || '●';
      },
      pluginStatusIcon(status) {
        const map = {
          loaded: '✓',
          missing: '⚠',
          disabled: '⊘',
          'not-allowlisted': '⊘',
          'no-dist-name': '✗',
        };
        return map[status] || '●';
      },
      // v12.0.0a2: per-row plugin badge color name (passed to
      // stateBadgeHtml). Mirrors the previous inline `:class` map but
      // returns the color *name* the helper understands.
      pluginRowBadgeColor(status) {
        if (status === 'loaded') return 'emerald';
        if (status === 'missing') return 'amber';
        if (status === 'no-dist-name') return 'rose';
        return 'gray';  // disabled / not-allowlisted / unknown
      },
      pluginRowBadgeProps(row) {
        return {
          state: row.status,
          icon: this.pluginStatusIcon(row.status),
          color: this.pluginRowBadgeColor(row.status),
          label: row.status,
          ariaLabel: `Plugin status ${row.status}`,
        };
      },
      pluginsBadgeProps() {
        const enabled = this.plugins.enabled;
        const counts = this.pluginCounts();
        return {
          state: enabled ? 'enabled' : 'disabled',
          icon: enabled ? '✓' : '⊘',
          color: enabled ? 'emerald' : 'gray',
          label: enabled ? `enabled (${counts.loaded} loaded)` : 'disabled',
          ariaLabel: enabled
            ? `Plugins enabled, ${counts.loaded} loaded`
            : 'Plugins disabled',
        };
      },
      // v12.0.0a2: collapse bridgeBadgeClass + bridgeStateIcon +
      // bridgeStateLabel + bridgeBadgeTooltip into one props builder
      // so the template only contains the helper invocation. The
      // per-helper accessors stay (other UI elements still call
      // bridgeStateLabel for the runtime line).
      bridgeBadgeColor() {
        if (!this.bridge.fleetq_enabled) return 'gray';
        if (!this.bridge.api_token_present) return 'amber';
        const rt = this.bridge.runtime;
        if (rt && rt.available && rt.state_file_present) {
          if (rt.connected && !rt.stale && rt.subscribed) return 'emerald';
          if (rt.connected && rt.stale) return 'amber';
          if (rt.connected) return 'cyan';
          return 'rose';
        }
        return 'emerald';
      },
      bridgeBadgeProps() {
        const label = this.bridgeStateLabel();
        return {
          state: label,
          icon: this.bridgeStateIcon(),
          color: this.bridgeBadgeColor(),
          label: label,
          ariaLabel: `Bridge ${label}`,
          title: this.bridgeBadgeTooltip(),
        };
      },
      bridgeBadgeTooltip() {
        const rt = this.bridge.runtime;
        if (!rt || !rt.available || !rt.state_file_present) return 'config-derived state — runtime not yet observed';
        if (rt.last_heartbeat) {
          const age = rt.age_seconds != null ? `${rt.age_seconds.toFixed(1)}s ago` : '?';
          return `last_heartbeat: ${age} (writer pid ${rt.writer_pid || '?'})`;
        }
        return 'no heartbeat recorded yet';
      },
      runtimeSummary() {
        const rt = this.bridge.runtime || {};
        const parts = [];
        parts.push(rt.connected ? 'connected' : 'disconnected');
        if (rt.subscribed) parts.push('subscribed');
        if (rt.stale) parts.push('stale');
        if (rt.age_seconds != null) parts.push(`hb ${rt.age_seconds.toFixed(0)}s`);
        if (rt.team_id) parts.push(`team ${rt.team_id.slice(0, 8)}`);
        return parts.join(' · ');
      },
      runtimeColorClass() {
        const rt = this.bridge.runtime || {};
        if (rt.connected && !rt.stale) return 'text-success';
        if (rt.stale) return 'text-warning';
        return 'text-danger';
      },
      pluginCounts() {
        const rows = this.plugins.plugins || [];
        return {
          loaded: rows.filter(r => r.status === 'loaded').length,
          missing: rows.filter(r => r.status === 'missing').length,
        };
      },
    };
  }

  function recallPanel() {
    return {
      question: '', project: '', host: 'local',
      matches: [], backend: '', message: '', error: '',
      loading: false, searched: false,
      get hasResults() { return this.searched && this.matches.length > 0; },

      // v4.0.0a2: URL state — recall search is shareable.
      // Recognised params: recall_q, recall_project, recall_host.
      // Prefixed so they don't collide with /tools/fan-out's `q` etc.
      restoreFromUrl() {
        const p = new URLSearchParams(window.location.search);
        const q = p.get('recall_q'); if (q) this.question = q;
        const proj = p.get('recall_project'); if (proj) this.project = proj;
        const h = p.get('recall_host');
        if (h && (h === 'local' || h === 'all')) this.host = h;
        // Auto-search if a question was carried in via URL.
        if (q) this.search();
      },

      persistToUrl() {
        const p = new URLSearchParams(window.location.search);
        // Preserve foreign params (graph filters etc.) — only touch our keys.
        if (this.question.trim()) p.set('recall_q', this.question.trim());
        else p.delete('recall_q');
        if (this.project.trim()) p.set('recall_project', this.project.trim());
        else p.delete('recall_project');
        if (this.host && this.host !== 'local') p.set('recall_host', this.host);
        else p.delete('recall_host');
        const qs = p.toString();
        const url = qs ? `${window.location.pathname}?${qs}` : window.location.pathname;
        window.history.replaceState(null, '', url);
      },

      async search() {
        if (this.question.trim().length < 2) return;
        this.loading = true; this.error = ''; this.message = '';
        this.persistToUrl();
        try {
          const params = new URLSearchParams({ question: this.question.trim() });
          if (this.project.trim()) params.set('project', this.project.trim());
          if (this.host) params.set('host', this.host);
          const r = await hmFetch('/api/recall?' + params.toString());
          if (!r.ok) throw new Error('HTTP ' + r.status);
          const data = await r.json();
          this.backend = data.backend || '';
          this.matches = data.matches || [];
          this.message = data.message || '';
          this.searched = true;
        } catch (e) {
          this.error = e.message;
        } finally {
          this.loading = false;
        }
      },
    };
  }

  // v6.0.0a4: keyboard shortcut help popover. Single source of truth
  // for the cross-page shortcut map — graph zoom today, more shortcuts
  // as the UI grows. Listens on window so the toggle works no matter
  // where focus is (with the same form-field guard as graphZoom).
  function helpPopover() {
    return {
      open: false,
      shortcuts: [
        {
          scope: 'global',
          rows: [
            { keys: 'Cmd / Ctrl + K', action: 'open command palette' },
            { keys: '?', action: 'toggle keyboard help' },
            { keys: 'Esc', action: 'dismiss palette / popover' },
          ],
        },
        {
          scope: 'graph zoom (dashboard)',
          rows: [
            { keys: '+ / =', action: 'zoom in' },
            { keys: '- / _', action: 'zoom out' },
            { keys: '↑ ↓ ← →', action: 'pan' },
            { keys: 'Esc', action: 'reset zoom' },
            { keys: 'double-tap', action: 'reset zoom (touch)' },
          ],
        },
      ],

      onKeyDown(e) {
        // Same form-field guard as graphZoom — never hijack typing.
        const tag = (e.target && e.target.tagName) || '';
        if (tag === 'INPUT' || tag === 'TEXTAREA' || tag === 'SELECT') return;
        if (e.key === '?') {
          this.open = !this.open;
          e.preventDefault();
        } else if (e.key === 'Escape' && this.open) {
          this.open = false;
          e.preventDefault();
        }
      },
    };
  }

  // v5.0.0a6: project grid + text filter + URL state.
  // v6.0.0a3: sort dropdown + group toggle.
  // v7.0.0a6: language → Tailwind class mapping for the dashboard
  // card badge. Mirrors LANGUAGE_BADGE_COLORS in
  // src/harbormaster/ui/manifest_cache.py (kept in sync by the
  // unit test test_language_badge_classes_match_python_table).
  const LANGUAGE_BADGE_CLASSES = {
    python: 'bg-blue-900/40 text-blue-300 border-blue-800',
    typescript: 'bg-yellow-900/40 text-yellow-200 border-yellow-800',
    javascript: 'bg-yellow-900/40 text-yellow-200 border-yellow-800',
    php: 'bg-purple-900/40 text-purple-200 border-purple-800',
    rust: 'bg-orange-900/40 text-orange-200 border-orange-800',
    go: 'bg-cyan-900/40 text-accent border-accent-strong',
    ruby: 'bg-rose-900/40 text-rose-200 border-rose-800',
    unknown: 'bg-surface-3 text-foreground-subtle border-border',
  };
  function languageBadgeClass(lang) {
    const key = (lang || 'unknown').toLowerCase();
    return LANGUAGE_BADGE_CLASSES[key] || LANGUAGE_BADGE_CLASSES.unknown;
  }

  function projectGrid() {
    return {
      projects: [], loading: true, error: null,
      filter: '', sort: 'last_commit', group: 'flat',
      // expose the helper to the template
      languageBadgeClass,

      async init() {
        // Pull state from URL on mount so a shared link pre-fills.
        const p = new URLSearchParams(window.location.search);
        const f = p.get('filter');
        if (f) this.filter = f;
        const s = p.get('sort');
        if (s && ['last_commit', 'alpha', 'language'].includes(s)) this.sort = s;
        const g = p.get('group');
        if (g && ['flat', 'language'].includes(g)) this.group = g;
        try {
          const r = await hmFetch('/api/projects');
          if (!r.ok) throw new Error('HTTP ' + r.status);
          this.projects = await r.json();
        } catch (e) {
          this.error = e.message;
        } finally {
          this.loading = false;
        }
      },

      visibleProjects() {
        const projects = (!this.filter || !this.filter.trim())
          ? this.projects
          : (() => {
              const needle = this.filter.trim().toLowerCase();
              return this.projects.filter((p) => {
                const name = (p.name || '').toLowerCase();
                const path = (p.path || '').toLowerCase();
                const brief = (p.brief || '').toLowerCase();
                return name.includes(needle) || path.includes(needle) || brief.includes(needle);
              });
            })();
        return this._sortProjects(projects);
      },

      _sortProjects(projects) {
        // Don't mutate the original array.
        const arr = [...projects];
        switch (this.sort) {
          case 'alpha':
            arr.sort((a, b) => (a.name || '').localeCompare(b.name || ''));
            break;
          case 'language':
            arr.sort((a, b) => {
              const la = a.language || 'unknown';
              const lb = b.language || 'unknown';
              if (la !== lb) return la.localeCompare(lb);
              return (a.name || '').localeCompare(b.name || '');
            });
            break;
          case 'last_commit':
          default:
            arr.sort((a, b) => {
              const da = a.last_commit ? a.last_commit.date : '';
              const db = b.last_commit ? b.last_commit.date : '';
              return db.localeCompare(da);  // desc
            });
        }
        return arr;
      },

      // Returns [{label: '<heading>', items: [...]}] for either layout.
      // Flat: one entry with empty label.
      // By language: one entry per language (sorted), label = language name.
      groupedProjects() {
        const visible = this.visibleProjects();
        if (this.group !== 'language') {
          return [{ label: '', items: visible }];
        }
        // Group by language, preserving the visible order within each group.
        const groups = {};
        for (const p of visible) {
          const lang = p.language || 'unknown';
          if (!groups[lang]) groups[lang] = [];
          groups[lang].push(p);
        }
        return Object.keys(groups).sort().map((label) => ({
          label,
          items: groups[label],
        }));
      },

      persistToUrl() {
        // Same default-omit pattern as v3.0.0a9 fan-out + v4.0.0a2 recall.
        // Preserves any other URL params present (e.g. recall_q).
        const p = new URLSearchParams(window.location.search);
        if (this.filter && this.filter.trim()) {
          p.set('filter', this.filter.trim());
        } else {
          p.delete('filter');
        }
        if (this.sort && this.sort !== 'last_commit') p.set('sort', this.sort);
        else p.delete('sort');
        if (this.group && this.group !== 'flat') p.set('group', this.group);
        else p.delete('group');
        const qs = p.toString();
        const url = qs ? `${window.location.pathname}?${qs}` : window.location.pathname;
        window.history.replaceState(null, '', url);
      },
    };
  }

  // v5.0.0a1: auto-reembed status panel — polls /api/history/state.
  // v6.0.0a1: manual trigger button + ETA estimation.
  function reembedPanel() {
    return {
      state: { available: false, phase: 'idle', auto_reembed_enabled: false },
      error: '',
      triggering: false,
      cancelling: false,
      runs: [],          // v7.0.0a4: completed-run history
      runsLoading: false,
      _runsLoaded: false,
      _pollHandle: null,
      _lastTerminalSeen: null,  // tracks last terminal phase for runs refresh
      // v14.0.0a3: per-row diff panel state. `runDiff` holds the
      // raw payload from /api/history/reembed/runs/diff; `runDiffOpen`
      // gates the panel visibility. Only one diff is shown at a time.
      runDiff: { from_index: null, to_index: null, delta: null, from: null, to: null },
      runDiffError: '',
      runDiffOpen: false,

      async loadOnce() {
        await this.fetchState();
        this._maybeStartPolling();
      },

      async fetchState() {
        try {
          const r = await hmFetch('/api/history/state');
          if (!r.ok) throw new Error('HTTP ' + r.status);
          this.state = await r.json();
          this.error = '';
        } catch (e) {
          this.error = e.message;
        }
      },

      _maybeStartPolling() {
        // Poll every 3s while running; stop when we hit a terminal phase.
        if (this.state.phase === 'running' && !this._pollHandle) {
          this._pollHandle = setInterval(async () => {
            await this.fetchState();
            if (this.state.phase !== 'running') {
              clearInterval(this._pollHandle);
              this._pollHandle = null;
              // v7.0.0a4: when we exit running, the run history just
              // grew by one record. Refresh if the table was already
              // open (open === _runsLoaded after first toggle).
              if (this._runsLoaded) {
                this.loadRuns();
              }
            }
          }, 3000);
        }
      },

      // v7.0.0a4: lazy-load the run history table. Called from
      // <details>'s @toggle when the user opens it; subsequent
      // terminal-phase transitions refresh in place.
      async loadRuns() {
        this.runsLoading = !this._runsLoaded;
        try {
          const r = await hmFetch('/api/history/reembed/runs');
          if (!r.ok) throw new Error('HTTP ' + r.status);
          const body = await r.json();
          this.runs = body.runs || [];
          this._runsLoaded = true;
        } catch (e) {
          this.error = e.message;
        } finally {
          this.runsLoading = false;
        }
      },

      formatRelative(epochSeconds) {
        if (!epochSeconds) return '';
        const ageS = Math.max(0, (Date.now() / 1000) - epochSeconds);
        if (ageS < 60) return `${Math.round(ageS)}s ago`;
        if (ageS < 3600) return `${Math.round(ageS / 60)}m ago`;
        if (ageS < 86400) return `${Math.round(ageS / 3600)}h ago`;
        return `${Math.round(ageS / 86400)}d ago`;
      },

      // v14.0.0a3: Diff this run against the immediately-prior run
      // via the v13.a3 /api/history/reembed/runs/diff endpoint.
      // `runs` is in chronological-ascending order (oldest first);
      // diffing index N against index N-1 is the natural "what
      // changed since the previous run" view.
      async loadRunDiff(row) {
        const idx = this.runs.indexOf(row);
        if (idx <= 0) return;
        this.runDiffError = '';
        this.runDiffOpen = true;
        try {
          const url = `/api/history/reembed/runs/diff`
                    + `?from=${idx - 1}&to=${idx}`;
          const r = await hmFetch(url);
          if (!r.ok) {
            let detail = 'HTTP ' + r.status;
            try { const j = await r.json(); detail = j.detail || detail; } catch (_) {}
            throw new Error(detail);
          }
          this.runDiff = await r.json();
        } catch (e) {
          this.runDiffError = 'failed to load diff: ' + e.message;
        }
      },

      // v14.0.0a3: format a numeric delta with a leading sign.
      // Handles undefined / null gracefully (returns empty string).
      formatDelta(n) {
        if (n === undefined || n === null) return '';
        return (n > 0 ? '+' : '') + n;
      },

      async triggerManual() {
        this.triggering = true;
        this.error = '';
        try {
          const r = await hmFetch('/api/history/reembed', { method: 'POST' });
          if (r.status === 409) {
            this.error = 'already running — wait for current run to finish';
            return;
          }
          if (!r.ok) throw new Error('HTTP ' + r.status);
          await this.fetchState();
          this._maybeStartPolling();
        } catch (e) {
          this.error = e.message;
        } finally {
          this.triggering = false;
        }
      },

      // v7.0.0a3: signal the running reembed to stop after the
      // current host. The worker observes the flag between hosts;
      // it does NOT abort an in-flight host's reembed.
      async cancelRunning() {
        this.cancelling = true;
        this.error = '';
        try {
          const r = await hmFetch('/api/history/reembed/cancel', { method: 'POST' });
          if (!r.ok) throw new Error('HTTP ' + r.status);
          // Body: { running: bool, cancel_requested: bool }. When
          // running: false, the cancel was a no-op (already idle).
          await this.fetchState();
        } catch (e) {
          this.error = e.message;
        } finally {
          this.cancelling = false;
        }
      },

      progressLabel() {
        // "{processed} / {total}" baseline; appended " · ~{eta}s remaining"
        // when we have enough rate signal (>=1 host done, total > 1).
        const base = this.state.total
          ? `${this.state.processed} / ${this.state.total}`
          : '';
        const eta = this._etaSeconds();
        if (eta == null) return base;
        return `${base} · ~${this._formatEta(eta)} remaining`;
      },

      _etaSeconds() {
        const s = this.state;
        if (s.phase !== 'running') return null;
        if (!s.started_at || !s.processed || s.processed < 1) return null;
        if (!s.total || s.total <= s.processed) return null;
        const elapsed = (Date.now() / 1000) - s.started_at;
        const ratePerHost = elapsed / s.processed;
        return ratePerHost * (s.total - s.processed);
      },

      _formatEta(seconds) {
        if (seconds < 60) return `${seconds.toFixed(0)}s`;
        if (seconds < 3600) return `${(seconds / 60).toFixed(1)}m`;
        return `${(seconds / 3600).toFixed(1)}h`;
      },

      phaseLabel() {
        const labels = {
          idle: 'idle', running: 'running', done: 'completed', failed: 'failed',
          cancelled: 'cancelled',
        };
        // v7.0.0a3: while running with cancel pending, surface that
        // the user has clicked cancel even though phase is still 'running'.
        if (this.state.phase === 'running' && this.state.cancel_requested) {
          return 'cancelling…';
        }
        return labels[this.state.phase] || this.state.phase;
      },

      phaseBadgeClass() {
        const map = {
          running: 'bg-cyan-900/50 text-accent',
          done: 'bg-emerald-900/50 text-success',
          failed: 'bg-rose-900/50 text-danger',
          idle: 'bg-surface-3 text-foreground-muted',
          cancelled: 'bg-amber-900/50 text-warning',
        };
        // Same override as phaseLabel — show the amber badge while
        // the cancel is still in flight.
        if (this.state.phase === 'running' && this.state.cancel_requested) {
          return map.cancelled;
        }
        return map[this.state.phase] || map.idle;
      },

      // v8.0.0a2: phase icon. `running` returns an animated spinner
      // span; static phases return a glyph. Returned as raw HTML so
      // the spinner element is wired to the CSS animation class.
      phaseIconHtml() {
        const phase = this.state.phase;
        if (phase === 'running' && this.state.cancel_requested) return '⏳';
        if (phase === 'running') {
          return '<span class="inline-block w-2 h-2 border border-cyan-300 border-t-transparent rounded-full animate-spin"></span>';
        }
        const map = { idle: '⏸', done: '✓', failed: '✗', cancelled: '⚠' };
        return map[phase] || '●';
      },

      // v12.0.0a2: phase badge color name. Mirrors phaseBadgeClass()
      // but returns the color name the shared stateBadgeHtml helper
      // understands.
      phaseBadgeColor() {
        const map = {
          running: 'cyan',
          done: 'emerald',
          failed: 'rose',
          idle: 'gray',
          cancelled: 'amber',
        };
        if (this.state.phase === 'running' && this.state.cancel_requested) {
          return 'amber';
        }
        return map[this.state.phase] || 'gray';
      },
      phaseBadgeProps() {
        const phase = this.state.phase;
        // The `running` icon is a spinner span — pass iconHtml=true
        // so stateBadgeHtml inserts it raw. Other phases use a glyph
        // and run through the default text-escape path.
        const isRunning = phase === 'running' && !this.state.cancel_requested;
        return {
          state: phase,
          icon: this.phaseIconHtml(),
          iconHtml: isRunning,  // only the spinner is HTML; glyphs are text
          color: this.phaseBadgeColor(),
          label: this.phaseLabel(),
          ariaLabel: `Reembed ${this.phaseLabel()}`,
        };
      },

      formatDuration(start, end) {
        if (!start || !end) return '';
        const seconds = Math.max(0, end - start);
        if (seconds < 60) return `${seconds.toFixed(1)}s`;
        if (seconds < 3600) return `${(seconds / 60).toFixed(1)}m`;
        return `${(seconds / 3600).toFixed(1)}h`;
      },
    };
  }

  // v4.0.0a3: pan + zoom for the project graph.
  // Pure JS, no library — operates on a transform: translate() scale()
  // applied to the wrapper around the Mermaid <pre>/<svg>.
  function graphZoom() {
    return {
      scale: 1, tx: 0, ty: 0,
      dragging: false, _dragStartX: 0, _dragStartY: 0,
      _txStart: 0, _tyStart: 0,
      transitioning: false,
      // Pinch state
      _pinching: false, _pinchInitialDist: 0, _pinchInitialScale: 1,

      reset() {
        this.transitioning = true;
        this.scale = 1; this.tx = 0; this.ty = 0;
        // Disable transition after the animation so subsequent
        // pan/zoom feel direct.
        setTimeout(() => { this.transitioning = false; }, 220);
      },

      _clampScale(s) {
        return Math.max(0.25, Math.min(4, s));
      },

      onWheel(e) {
        // Wheel zoom (desktop). e.deltaY > 0 → zoom out.
        const delta = -e.deltaY * 0.001;
        const next = this._clampScale(this.scale * (1 + delta));
        // Anchor zoom on cursor position so it feels natural.
        const rect = e.currentTarget.getBoundingClientRect();
        const cx = e.clientX - rect.left;
        const cy = e.clientY - rect.top;
        const dx = (cx - this.tx) * (next / this.scale - 1);
        const dy = (cy - this.ty) * (next / this.scale - 1);
        this.tx -= dx; this.ty -= dy;
        this.scale = next;
      },

      onMouseDown(e) {
        if (e.button !== 0) return;
        this.dragging = true;
        this._dragStartX = e.clientX; this._dragStartY = e.clientY;
        this._txStart = this.tx; this._tyStart = this.ty;
      },
      onMouseMove(e) {
        if (!this.dragging) return;
        this.tx = this._txStart + (e.clientX - this._dragStartX);
        this.ty = this._tyStart + (e.clientY - this._dragStartY);
      },
      onMouseUp() {
        this.dragging = false;
      },

      // v5.0.0a5: double-tap timestamp tracking for tap-to-reset.
      _lastTapTime: 0,

      onTouchStart(e) {
        if (e.touches.length === 2) {
          // Pinch start.
          this._pinching = true;
          this._pinchInitialDist = this._touchDist(e);
          this._pinchInitialScale = this.scale;
        } else if (e.touches.length === 1) {
          // v5.0.0a5: double-tap-to-reset detection (within 300ms).
          const now = Date.now();
          if (now - this._lastTapTime < 300) {
            this.reset();
            this._lastTapTime = 0;
            return;
          }
          this._lastTapTime = now;
          // Single-finger pan start.
          this.dragging = true;
          this._dragStartX = e.touches[0].clientX;
          this._dragStartY = e.touches[0].clientY;
          this._txStart = this.tx; this._tyStart = this.ty;
        }
      },
      onTouchMove(e) {
        if (this._pinching && e.touches.length === 2) {
          const dist = this._touchDist(e);
          if (this._pinchInitialDist > 0) {
            const next = this._clampScale(
              this._pinchInitialScale * (dist / this._pinchInitialDist),
            );
            this.scale = next;
          }
        } else if (this.dragging && e.touches.length === 1) {
          this.tx = this._txStart + (e.touches[0].clientX - this._dragStartX);
          this.ty = this._tyStart + (e.touches[0].clientY - this._dragStartY);
        }
      },
      onTouchEnd(e) {
        if (e.touches.length === 0) {
          this._pinching = false;
          this.dragging = false;
        } else if (e.touches.length === 1 && this._pinching) {
          // Pinch ended but a finger is still down — switch to pan.
          this._pinching = false;
          this.dragging = true;
          this._dragStartX = e.touches[0].clientX;
          this._dragStartY = e.touches[0].clientY;
          this._txStart = this.tx; this._tyStart = this.ty;
        }
      },
      _touchDist(e) {
        const a = e.touches[0], b = e.touches[1];
        const dx = a.clientX - b.clientX, dy = a.clientY - b.clientY;
        return Math.hypot(dx, dy);
      },

      // v5.0.0a5: keyboard shortcuts on desktop. Only fire when no
      // input element has focus (so typing into the recall search box
      // doesn't accidentally pan the graph).
      bindKeyboard() {
        // bindKeyboard is intentionally a no-op marker — the actual
        // listener is wired via @keydown.window on the panel. This
        // method exists so the alpine x-init has a hook to call.
      },

      onKeyDown(e) {
        // Skip when typing into a form field.
        const tag = (e.target && e.target.tagName) || '';
        if (tag === 'INPUT' || tag === 'TEXTAREA' || tag === 'SELECT') return;
        const PAN_STEP = 30;
        const ZOOM_STEP = 0.1;
        switch (e.key) {
          case '+':
          case '=':
            this.scale = this._clampScale(this.scale + ZOOM_STEP);
            e.preventDefault();
            break;
          case '-':
          case '_':
            this.scale = this._clampScale(this.scale - ZOOM_STEP);
            e.preventDefault();
            break;
          case 'ArrowLeft':
            this.tx += PAN_STEP; e.preventDefault(); break;
          case 'ArrowRight':
            this.tx -= PAN_STEP; e.preventDefault(); break;
          case 'ArrowUp':
            this.ty += PAN_STEP; e.preventDefault(); break;
          case 'ArrowDown':
            this.ty -= PAN_STEP; e.preventDefault(); break;
          case 'Escape':
            this.reset(); e.preventDefault(); break;
        }
      },
    };
  }

  function graphPanel() {
    return {
      includeDevDeps: false, transitive: false,
      graph: {}, mermaidMarkup: '', graphLoading: true, graphError: null,

      // v6.0.1: poll for window.__hmMermaid (loaded via async ESM in
      // base.html). Resolves true when ready, false on timeout.
      _waitForMermaid(maxMs) {
        return new Promise((resolve) => {
          const start = Date.now();
          const check = () => {
            if (window.__hmMermaid) return resolve(true);
            if (Date.now() - start > maxMs) return resolve(false);
            requestAnimationFrame(check);
          };
          check();
        });
      },

      async loadGraph() {
        this.graphLoading = true; this.graphError = null;
        try {
          const params = new URLSearchParams();
          if (this.includeDevDeps) params.set('include_dev_deps', 'true');
          if (this.transitive) params.set('transitive', 'true');
          const url = '/api/graph' + (params.toString() ? '?' + params : '');
          const r = await hmFetch(url);
          if (!r.ok) throw new Error('HTTP ' + r.status);
          this.graph = await r.json();
          this.mermaidMarkup = this.graph.mermaid || 'graph LR\n  empty[No projects]';
          // v6.0.1 fixed two regressions (Alpine $refs scope leak +
          // async ESM race). v6.0.2 fixes a third: the section is
          // hidden via x-show="!graphLoading" while loadGraph runs,
          // so Mermaid measures the still-hidden <pre> at 0×0 and
          // emits a placeholder viewBox="-8 -8 16 16". The graph
          // content renders fine inside the SVG, but the SVG itself
          // shrinks to 16×16 and stays invisible.
          //
          // Fix: flip graphLoading=false BEFORE mermaid.run() so the
          // viewport is laid out at its real dimensions. requestAnimationFrame
          // gives Alpine + the browser one frame to apply the layout
          // before mermaid measures.
          this.graphLoading = false;
          await this._waitForMermaid(3000);
          await new Promise((r) => requestAnimationFrame(r));
          const node = document.querySelector('pre.mermaid');
          if (node && window.__hmMermaid) {
            // Force re-process: clear `data-processed` if mermaid set it.
            node.removeAttribute('data-processed');
            try {
              await window.__hmMermaid.run({ nodes: [node] });
            } catch (e) { this.graphError = 'mermaid: ' + e.message; }
          } else if (!window.__hmMermaid) {
            this.graphError = 'mermaid bundle did not load within 3s';
          }
        } catch (e) {
          this.graphError = e.message;
        } finally {
          // graphLoading was already flipped above when the fetch
          // succeeded; only flip here for the error path.
          this.graphLoading = false;
        }
      },
    };
  }
</script>

{% endblock %}