[docs-linker] workshop docs: add gh-aw doc links

Adds inline documentation links to 10 workshop files.

Changes by file

workshop/side-quest-12-01-iterate-agent-output.md

• workflow brief → Markdown reference

workshop/side-quest-13-01-pr-labeler-pattern.md

• GitHub labels → add-labels safe output
• Added tip linking to LabelOps pattern

workshop/side-quest-13-01-schedule-expressions.md

• fuzzy expression → schedule-syntax#fuzzy-schedules

workshop/side-quest-13-02-pr-summary-pattern.md

• summary comment → add-comment safe output
• workflow brief → Markdown reference

workshop/side-quest-13-03-pr-checklist-pattern.md

• comment (results surface) → add-comment safe output
• Added tip linking to pull request trigger

workshop/side-quest-13-04-token-optimization.md

• timeout-minutes → frontmatter reference

workshop/side-quest-15-01-expressions-and-contexts.md

• secrets context row → environment-variables#mcp-server-with-secrets

workshop/side-quest-15-02-chaining-conditions.md

• deterministic → DeterministicOps pattern
• workflow frontmatter (permissions block) → frontmatter reference

workshop/side-quest-16-01-github-output.md

• steps → custom steps reference

workshop/side-quest-16-02-secrets-and-permissions.md

• GitHub Secrets → environment-variables#safe-outputs-with-custom-pat

network:
  allowed:
    - defaults
    - "awmgmcpg"

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• expires on Jul 28, 2026, 7:46 AM UTC