fix(log-fixer): resolve daily agent failures

- Add H1 headers to `innerhtml-migration-agent.md`, `known-issues-agent.md`, and `deps-security-agent.md` to prevent schema validation failures.
- Verify `npm run lint` passes.
- Create scheduler completion log for `log-fixer-agent`.

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

src/prompts/daily/deps-security-agent.md

@@ -1,3 +1,5 @@
+# deps-security-agent
+
 > **Shared contract (required):** Follow [`Scheduler Flow → Shared Agent Run Contract`](../scheduler-flow.md#shared-agent-run-contract-required-for-all-spawned-agents) and [`Scheduler Flow → Canonical artifact paths`](../scheduler-flow.md#canonical-artifact-paths) before and during this run.
 
 ## Required startup + artifacts + memory + issue capture

src/prompts/daily/innerhtml-migration-agent.md

@@ -1,3 +1,5 @@
+# innerhtml-migration-agent
+
 > **Shared contract (required):** Follow [`Scheduler Flow → Shared Agent Run Contract`](../scheduler-flow.md#shared-agent-run-contract-required-for-all-spawned-agents) and [`Scheduler Flow → Canonical artifact paths`](../scheduler-flow.md#canonical-artifact-paths) before and during this run.
 
 ## Required startup + artifacts + memory + issue capture

src/prompts/daily/known-issues-agent.md

@@ -1,3 +1,5 @@
+# known-issues-agent
+
 > **Shared contract (required):** Follow [`Scheduler Flow → Shared Agent Run Contract`](../scheduler-flow.md#shared-agent-run-contract-required-for-all-spawned-agents) and [`Scheduler Flow → Canonical artifact paths`](../scheduler-flow.md#canonical-artifact-paths) before and during this run.
 
 ## Required startup + artifacts + memory + issue capture

task-logs/daily/2026-02-16T19-06-25Z__log-fixer-agent__completed.md

@@ -0,0 +1,20 @@
+---
+cadence: daily
+agent: log-fixer-agent
+status: completed
+reason: 'Scheduler cycle completed successfully'
+detail: 'Fixed prompt schema errors in innerhtml-migration-agent.md, known-issues-agent.md, and deps-security-agent.md'
+created_at: 2026-02-16T19:06:25Z
+timestamp: 2026-02-16T19:06:25Z
+platform: 'jules'
+---
+
+# Scheduler completed
+
+- reason: Scheduler cycle completed successfully
+- detail: Fixed prompt schema errors in innerhtml-migration-agent.md, known-issues-agent.md, and deps-security-agent.md
+- platform: jules
+- actions:
+  - Added header to `src/prompts/daily/innerhtml-migration-agent.md`
+  - Added header to `src/prompts/daily/known-issues-agent.md`
+  - Added header to `src/prompts/daily/deps-security-agent.md`