{% extends "mirrorwall/base.html" %}
{% from "mirrorwall/components.html" import badge, empty_state, json_viewer, kv_list, table %}
{% block title %}Decision {{ explanation.decision_id }} — LoadCoach{% endblock %}
{% block content %}
<h2>Routing explanation</h2>
<p class="muted mono">{{ explanation.decision_id }}</p>

{{ kv_list([
  {"label": "Task profile", "value": explanation.task_profile.id ~ " " ~ explanation.task_profile.version},
  {"label": "Strategy", "value": explanation.strategy.name ~ " " ~ explanation.strategy.version},
  {"label": "Confidence policy", "value": explanation.confidence_policy_version},
  {"label": "Requested at", "value": explanation.requested_at},
  {"label": "Took", "value": explanation.duration_ms ~ " ms"},
  {"label": "Flags", "value": (explanation.flags | join(", ")) or "none"},
  {"label": "Evidence", "value": explanation.evidence_summary.source ~ " (" ~
     ((explanation.evidence_summary.contributing_sources | join(", ")) or "no contributing source") ~ ")"},
]) }}

{% include "routing/_narrative.html" %}

{% if explanation.selected %}
<h3>Selected</h3>
{{ kv_list([
  {"label": "Model", "value": explanation.selected.canonical_id},
  {"label": "Runtime profile", "value": explanation.selected.runtime_profile_hash},
  {"label": "Served context", "value": explanation.selected.served_context ~ " tokens ("
     ~ explanation.selected.served_context_source ~ ")"},
  {"label": "Target GPU", "value": explanation.selected.target_gpu_index
     if explanation.selected.target_gpu_index is not none else "no GPU evaluated"},
  {"label": "Final score", "value": "%.4f"|format(explanation.selected.final_score)},
]) }}
{% else %}
{{ empty_state("No candidate was eligible.") }}
{% endif %}

<h3>Candidates</h3>
{% if explanation.candidates %}
{% for candidate in explanation.candidates %}
<h4>{{ candidate.rank }}. <span class="mono">{{ candidate.canonical_id }}</span></h4>
<p class="muted">task_fit {{ "%.4f"|format(candidate.task_fit) }}
  × reliability {{ candidate.factors.reliability }}
  × availability {{ candidate.factors.availability }}
  × residency {{ candidate.factors.residency }}
  × cost {{ candidate.factors.cost }}
  = <strong>{{ "%.4f"|format(candidate.final_score) }}</strong>
  · served {{ candidate.served_context }} ({{ candidate.served_context_source }})
  · profile <span class="mono">{{ candidate.runtime_profile_hash }}</span>
  {% if candidate.estimated_vram_bytes is not none %}· est. VRAM {{ candidate.estimated_vram_bytes | bytes_human }}{% endif %}</p>
{% set columns = [
  {"label": "Capability"}, {"label": "Weight", "numeric": true}, {"label": "Score", "numeric": true},
  {"label": "Confidence", "numeric": true}, {"label": "Source"}, {"label": "Note"}
] %}
{% set rows = [] %}
{% for capability in candidate.capabilities %}
{% set _ = rows.append([
  capability.capability,
  capability.weight,
  "%.3f"|format(capability.score) if capability.score is not none else "absent",
  "%.3f"|format(capability.confidence) if capability.confidence is not none else "—",
  capability.source,
  (capability.get("note") or "") ~ (" " ~ capability.remedy if capability.get("remedy") else "")
]) %}
{% endfor %}
{{ table(columns, rows, table_id="candidate-" ~ candidate.model_id, complete=true,
         row_count=rows | length) }}
{% endfor %}
{% else %}
{{ empty_state("No candidate survived the hard constraints.") }}
{% endif %}

{% if explanation.rejected %}
<h3>Rejected</h3>
{% set columns = [{"label": "Model"}, {"label": "Reason"}, {"label": "Numbers"}] %}
{% set rows = [] %}
{% for rejection in explanation.rejected %}
{% set _ = rows.append([
  rejection.canonical_id, badge(rejection.reason, tone="danger"), rejection.detail | json_pretty
]) %}
{% endfor %}
{{ table(columns, rows, caption="\"Nothing was eligible\" is useless without the numbers.",
         table_id="rejected", complete=true) }}
{% endif %}

{{ json_viewer(explanation, "The complete stored explanation (raw source)") }}
{% endblock %}