Port upstream 0.61.0: OpenRouter diagnostics and Activity summary

[Finesssee]

Found by the 0.60.4-0.69.0 port gap audit.

Summary

OpenRouter now reports why an optional request degraded and shows an Activity summary, matching upstream v0.61.0:

• /credits, /key and Activity each get a 4 s deadline (was 30 s credits, 1 s key and Activity).
• Degraded requests carry a safe reason (Request timed out, Request failed, Request returned HTTP <n>, Response was invalid, Management API key required for an Activity 403, Management API key not configured). The reason was previously only logged at debug level; it now appears in the provider detail rows and the CLI text output.
• New detail rows: Credits remaining / used / total added (or Credits balance: Unavailable right now with the reason), API key limit (with "Spending cap, not balance"), API key remaining / used, Reset window (or No limit configured, or Unavailable right now with the reason), Activity tokens / requests / models for the last 30 completed UTC days (or Spend history (last 30 days): Unavailable right now with the reason).
• Activity aggregation checks the safe-integer range for tokens, reasoning tokens and requests like upstream. Tokens are prompt + completion; reasoning is not added again.

Rows use the existing ProviderDisplayDetail path (menu card, provider detail pane, CLI), so no bridge or frontend change was needed.

Upstream reference

• Release 0.61.0: "OpenRouter: show account Activity summaries" (Show OpenRouter account Activity from management keys steipete/CodexBar#3272, aca09cf2f) and "distinguish invalid responses from request failures" (fix(openrouter): distinguish invalid responses from request failures steipete/CodexBar#3733, 6cd74d02e).
• Read at tag v0.61.0: Sources/CodexBarCore/Resources/Plugins/openrouter.js (requestDegradationReason, activityDetails, details sections, optionalRequestTimeoutSeconds = 4), docs/openrouter.md.

Ported / Deferred

Ported: items above.

Deferred:

• Per-model, per-date Activity entries on the cost snapshot (upstream costUsage.entries). They only feed upstream's Usage & Spend model breakdown; Win-CodexBar's CostSnapshot has no per-model shape, so this needs a separate spend-catalog change.
• Upstream's "Today / This week / This month" key-spend detail rows and the "Key spend" bar chart. The same values already show as the Daily/Weekly/Monthly spend lanes on Windows, so duplicating them would repeat rows.
• Upstream's "Response was unavailable" reason: no equivalent state exists locally (a missing body is a parse failure).
• Flat detail rows carry the section name in the title (for example Activity tokens) because ProviderDisplayDetail has no section grouping. Titles are English strings like other providers' detail rows; no locale keys were added.

Validation

All with cargo +1.98.0, slot-5 target dir, E-core wrappers:

• cargo fmt --all: clean
• cargo clippy --workspace --all-targets -- -D warnings: pass
• cargo test -p codexbar openrouter: 38 passed, 0 failed (new: detail rows for success, uncapped key and degraded sources; HTTP status and auth typing; timeout vs other transport failure against a stalled local listener; Activity summary counts, dedupe, model counting, safe-integer aggregate overflow)
• cargo test -p codexbar (full): 2169 passed, 0 failed, 1 ignored
• Tauri crate and frontend untouched; pnpm test not run.

Affected areas

• Provider (OpenRouter)
• UI surface (provider detail rows in menu card, detail pane, CLI text)
• Settings, tray, float bar, installer

UI proof

Pending: coordinator will capture CUA proof on a fresh build.

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