The AI session threads API returned only a network call *summary*
(total/blocked counts + top domains). This adds the per-call list so the
session detail can render individual Agent Firewall network calls.
`ListAIBridgeSessionNetworkCalls` reuses the same sequence-number
windowing as the existing summary and includes all protocols. The list
is exposed as `network_call_logs` on the threads response and is capped
server-side at 100 rows. The summary (`network_calls.total`/`blocked`)
remains authoritative for whole-session totals: the list length and its
blocked count equal the summary only when a session has at most 100
calls, and are truncated beyond that.
### PR map (merge strictly bottom-up)
This change is a 4-PR stack. Each PR depends on all the ones below it,
so merge in this exact order:
1. #27417 — backend network summary
2. #27418 — frontend summary rows
3. #27425 — backend per-call list `network_call_logs`
4. #27426 — frontend network-calls panel
Refs AIGOV-464
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Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
