docs: Documentation analysis and improvement

[github-actions]

Closes #772

Summary of files analyzed

• .github/workflows/oblt-aw-ingress.yml (routing source of truth and dashboard-gate conditions)
• docs/workflows/oblt-aw-ingress.md (dashboard gate semantics via get-enabled-workflows / enabled-workflows)
• docs/routing/dependency-review-routing.md
• docs/routing/resource-not-accessible-by-integration-routing.md

Issues found

• docs/routing/dependency-review-routing.md: usage conditions omitted the ingress dashboard gate requirement (obs:dependency-review).
• docs/routing/resource-not-accessible-by-integration-routing.md: detector/triage/fixer routing omitted the shared ingress dashboard gate requirement (obs:resource-not-accessible-by-integration).
• Both routing docs lacked a direct cross-reference to ingress gate semantics in docs/workflows/oblt-aw-ingress.md.

Changes made

• Updated docs/routing/dependency-review-routing.md to include the dashboard-gate condition and the exact compound id requirement (obs:dependency-review) so readers can map documented routing to ingress behavior.
• Updated docs/routing/resource-not-accessible-by-integration-routing.md to document that detector, triage, and fixer all require the shared dashboard gate (obs:resource-not-accessible-by-integration) for gated runs.
• Added cross-references in both routing docs to docs/workflows/oblt-aw-ingress.md for get-enabled-workflows / enabled-workflows semantics, so gate interpretation stays centralized and consistent.

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What is this? | From workflow: Observability Agentic Workflow Entrypoint

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