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