fix(jangar): harden control-plane dependency health

[gregkonush]

Summary

• Raises the Jangar Torghut /trading/status timeout default from 5s to 15s and sets the same value in the GitOps deployment.
• Adds checked-out Postgres client error handling so transient pg disconnect events log instead of terminating the Jangar process.
• Keeps the DB hardening modular by moving Postgres SSL/error helpers out of the oversized db.ts, refreshes the generated architecture inventory, and adds quant health lookup indexes.
• Skips unscoped Torghut quant pipeline-health reads so /api/torghut/trading/control-plane/quant/health?window=1h remains a cheap rollout probe; scoped account plus window requests still read indexed stage health.

Related Issues

None

Testing

• PASS: bun install --frozen-lockfile --ignore-scripts
• PASS: bun run build from packages/otel
• PASS: bun run build from packages/temporal-bun-sdk
• PASS: git diff --check origin/main...HEAD
• PASS: bunx oxfmt --check services/jangar/src/routes/api/torghut/trading/control-plane/quant/health.ts services/jangar/src/routes/api/torghut/trading/control-plane/quant/-health.test.ts services/jangar/src/server/db.ts services/jangar/src/server/__tests__/db.test.ts services/jangar/src/server/postgres-client-errors.ts services/jangar/src/server/postgres-ssl.ts services/jangar/src/server/kysely-migrations.ts services/jangar/src/server/__tests__/kysely-migrations.test.ts services/jangar/src/server/torghut-quant-metrics-store.ts services/jangar/src/server/__tests__/torghut-quant-metrics-store.test.ts services/jangar/src/server/migrations/20260505_torghut_quant_metrics_latest_account_window_index.ts services/jangar/src/server/migrations/20260505_torghut_quant_pipeline_health_account_window_asof_index.ts docs/jangar/architecture-inventory.md
• PASS: bunx vitest run --config vitest.config.ts src/routes/api/torghut/trading/control-plane/quant/-health.test.ts src/server/__tests__/db.test.ts src/server/__tests__/kysely-migrations.test.ts src/server/__tests__/torghut-quant-metrics-store.test.ts src/server/__tests__/control-plane-config.test.ts src/server/__tests__/control-plane-empirical-services.test.ts from services/jangar
• PASS: bun run docs:inventory:check from services/jangar
• PASS: bun run check:module-sizes from services/jangar
• PASS: bun run lint from services/jangar
• PASS: bun run lint:oxlint from services/jangar with existing warnings only
• PASS: bun run lint:oxlint:type from services/jangar with existing warnings only
• PASS: bun run tsc from services/jangar
• PASS: bun run build from services/jangar
• NOTE: local full-suite bun run test from services/jangar still times out unrelated 5s default tests in this low-CPU runner after the targeted quant and DB suites pass independently; GitHub CI is the merge gate before squash merge.

Screenshots (if applicable)

N/A

Breaking Changes

None

Checklist

• Testing section documents the exact validation performed (or N/A with justification).
• Screenshots and Breaking Changes sections are handled appropriately (removed or filled in).
• Documentation, release notes, and follow-ups are updated or tracked.

[gregkonush]

Marco release final 2026-05-05 23:26 UTC

Merge gate: complete. #5576 merged at 2026-05-05T23:07:18Z as d17e045 after all required checks were pass/skipped, including agents-ci integration in 14m02s.

Rollout evidence:

• chore(jangar): promote image d17e0457 #5581 promoted image tag d17e045 with digest sha256:90b75799cea530ef9b02736db3ae122d28c6ca4448a92e9305c27cf1b9ff7309.
• fix(jangar): break torghut status health cycle #5580 merged the final GitOps env fix to point Jangar at Torghut /trading/autonomy with a 3000 ms timeout.
• Latest post-deploy verifier passed for fix(jangar): break torghut status health cycle #5580 after deployment health/digest verification and Temporal routing sync.
• Live pod jangar-5899b7c8d9-g9wfs is 2/2 Running with zero restarts; app image ID matches sha256:90b75799cea530ef9b02736db3ae122d28c6ca4448a92e9305c27cf1b9ff7309.
• /health returns ok; control-plane status reports database healthy and empirical-service endpoint values using /trading/autonomy.
• Torghut /trading/autonomy returns HTTP 200 in ~16 ms; quant health ?window=1h skips unscoped pipeline reads as intended.

Residual risk: dependency quorum is still blocked by stale empirical jobs, and Torghut /readyz still returns 503. This is a runtime dependency backlog, not a failed Jangar rollout.