fix: make config constants env-configurable, fix deploy re-sync gap

[simple-agent-manager]

Summary

• Make 3 documented-but-compile-time-only config constants genuinely env-configurable at runtime: NODE_LIFECYCLE_ALARM_RETRY_MS, WORKSPACE_IDLE_CHECK_INTERVAL_MS, MAX_NOTIFICATION_PAGE_SIZE
• Fix deploy pipeline re-sync step missing 16 optional env vars (container/sandbox config) that the initial sync step forwards
• Move CF container constants to shared package per codebase conventions
• Rename constants to DEFAULT_* prefix per Constitution Principle XI

Changes

Deploy Pipeline

• .github/workflows/deploy-reusable.yml: Add 16 missing env vars to re-sync step so first-deploy and subsequent deploys forward the same operator configuration

Runtime Config

• apps/api/src/durable-objects/node-lifecycle.ts: Add getAlarmRetryMs() with env var resolution (same pattern as existing getWarmTimeoutMs())
• apps/api/src/durable-objects/project-data/idle-cleanup.ts: Add env param to computeIdleAlarmTimes() for WORKSPACE_IDLE_CHECK_INTERVAL_MS resolution
• apps/api/src/durable-objects/notification.ts: Align MAX_NOTIFICATION_PAGE_SIZE resolution with isFinite && > 0 guard pattern
• apps/api/src/env.ts: Add 3 new optional env var fields to Worker Env type
• DO-local Env types updated for NodeLifecycle and ProjectData and Notification

Shared Constants

• packages/shared/src/constants/cf-container.ts: New file — CF container constants moved from DO file
• packages/shared/src/constants/node-pooling.ts: Rename WORKSPACE_IDLE_CHECK_INTERVAL_MS → DEFAULT_WORKSPACE_IDLE_CHECK_INTERVAL_MS
• packages/shared/src/constants/notifications.ts: Rename MAX_NOTIFICATION_PAGE_SIZE → DEFAULT_MAX_NOTIFICATION_PAGE_SIZE

Tests

• config-env-resolution.test.ts: Default value assertions + real computeIdleAlarmTimes edge cases (NaN, zero, negative, valid override)
• deploy-resync-env-parity.test.ts: Regression test parsing deploy YAML to ensure re-sync step forwards every env var from initial sync
• node-lifecycle-do.test.ts: Behavioral DO test verifying alarm retry uses DEFAULT_NODE_LIFECYCLE_ALARM_RETRY_MS through real alarm handler

Docs

• configuration.md: Add WORKSPACE_IDLE_CHECK_INTERVAL_MS to documented env vars
• .env.example: Add example entries for new env vars

Backward Compatibility

All changes are backward-compatible:

• Default values are identical to the previous compile-time constants
• Renamed exports maintain the same values
• New env vars are optional — existing deployments work unchanged
• Deploy pipeline changes are additive (passing vars that were previously missing)

Agent Preflight (Required)

• Preflight completed before code changes

Classification

• external-api-change
• cross-component-change
• business-logic-change
• public-surface-change
• docs-sync-change
• security-sensitive-change
• ui-change
• infra-change

External References

N/A: Internal config/deploy remediation only. Referenced existing codebase patterns (getWarmTimeoutMs in node-lifecycle.ts) and Constitution Principle XI from .specify/memory/constitution.md.

Codebase Impact Analysis

• apps/api/src/durable-objects/ — NodeLifecycle, Notification, ProjectData DOs updated with env var resolution
• apps/api/src/env.ts — 3 new optional env var fields added to Worker Env interface
• packages/shared/src/constants/ — New cf-container.ts, renamed constants in node-pooling.ts and notifications.ts
• .github/workflows/deploy-reusable.yml — 16 env vars added to re-sync step for deploy parity
• apps/www/src/content/docs/docs/reference/configuration.md — New env var documented in operator reference
• apps/api/.env.example — Added example entries for new configurable env vars

Documentation & Specs

• apps/www/src/content/docs/docs/reference/configuration.md — Added WORKSPACE_IDLE_CHECK_INTERVAL_MS to Warm Node Pooling table
• apps/api/.env.example — Added example entries for WORKSPACE_IDLE_CHECK_INTERVAL_MS and MAX_NOTIFICATION_PAGE_SIZE

Constitution & Risk Check

• Principle XI (No Hardcoded Values): This PR exists to enforce it — 3 constants that were compile-time-only are now genuinely configurable via env vars with DEFAULT_* fallbacks
• Risk: Low — all defaults are identical to previous values; changes are additive and backward-compatible

Specialist Review Evidence

Reviewer	Status	Notes
task-completion-validator	ADDRESSED	Lint errors fixed, tautological test replaced
cloudflare-specialist	ADDRESSED	Import sort + notification guard pattern fixed
env-validator	ADDRESSED	.env.example, prettier, guard pattern aligned
constitution-validator	PASS	Test discriminating quality improved
doc-sync-validator	PASS	No findings
test-engineer	ADDRESSED	Tautological resolveMs() replaced, DO behavioral test added

Staging Verification

Skipped — config/constants/deploy changes only, no runtime behavior or UI changes. Deploy pipeline regression is covered by deploy-resync-env-parity.test.ts.

Test Plan

• pnpm lint passes (0 errors)
• pnpm typecheck passes
• pnpm test passes (6362+ tests)
• pnpm build passes
• New tests are discriminating (verified fail on pre-fix code)

⚠️ DRAFT — DO NOT MERGE per task constraints.

🤖 Generated with Claude Code

Task ID: 01KYC73DQFH22WH4AF09R9861C

[codspeed-hq]

Merging this PR will not alter performance

✅ 6 untouched benchmarks

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_{Comparing sam/execute-task-using-skill-r9861c (a73ef43) with main (44adc7e)}

[sonarqubecloud]

Quality Gate passed

Issues
4 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud