feat(scheduler): execute daily todo-triage-agent run

- Install dependencies via `npm ci`
- Run preflight lock check
- Select `todo-triage-agent` (skipping locked agents)
- Execute `todo-triage-agent` prompt:
  - Scan codebase for TODOs (none found)
  - Generate required artifacts in `src/context`, `src/todo`, `src/decisions`, `src/test_logs`
- Verify run artifacts
- Publish lock completion
- Create final task log

Co-authored-by: PR0M3TH3AN <[email protected]>

src/todo/TODO_2026-02-19T18-06-26Z.md

@@ -0,0 +1,16 @@
+Agent: todo-triage-agent
+Cadence: daily
+Run Start: 2026-02-19T18-06-26Z
+Prompt: src/prompts/daily/todo-triage-agent.md
+
+# TODOs
+
+## Pending Tasks
+- [ ] Maintain zero-TODO baseline.
+
+## Completed Tasks
+- [x] Scanned repository for TODO/FIXME/XXX markers.
+
+# Inventory
+No actionable TODOs found in src, scripts, landing, or docs.
+Only artifact references and mktemp patterns found.