[
  {
    "pattern": "Sequential pipeline",
    "type": "graph",
    "lesson_code": "adk-graph-workflow/release_notes.py",
    "shape": [
      "__START__ -> parse_log",
      "parse_log -> group_changes",
      "group_changes -> render_notes"
    ]
  },
  {
    "pattern": "Coordinator and dispatcher",
    "type": "graph",
    "lesson_code": "adk-graph-routes/build_router.py",
    "shape": [
      "__START__ -> classify_build",
      "classify_build -> triage_links [broken_links]",
      "classify_build -> report_clean [clean]",
      "classify_build -> ask_for_rerun [__DEFAULT__]",
      "triage_links -> check_fixes"
    ]
  },
  {
    "pattern": "Human-in-the-loop",
    "type": "graph",
    "lesson_code": "adk-human-approval/migration_gate.py",
    "shape": [
      "__START__ -> draft_migration",
      "draft_migration -> check_migration",
      "check_migration -> request_approval [review]",
      "request_approval -> read_decision",
      "read_decision -> apply_migration [approve]",
      "read_decision -> record_rejection [reject]"
    ]
  },
  {
    "pattern": "Generate and review",
    "type": "graph",
    "lesson_code": "adk-generate-review/review_gate.py",
    "shape": [
      "__START__ -> read_changelog",
      "read_changelog -> write_announcement",
      "write_announcement -> review_announcement",
      "review_announcement -> gate",
      "gate -> publish [approve]",
      "gate -> send_back [reject]"
    ]
  },
  {
    "pattern": "Iterative refinement",
    "type": "graph",
    "lesson_code": "adk-iterative-refinement/refine_entry.py",
    "shape": [
      "__START__ -> load_change",
      "load_change -> write_entry",
      "write_entry -> check_entry",
      "check_entry -> accept [done]",
      "check_entry -> revise_entry [revise]",
      "check_entry -> give_up [limit]",
      "revise_entry -> check_entry"
    ]
  },
  {
    "pattern": "Parallel fan-out and gather",
    "type": "graph",
    "lesson_code": "adk-parallel-gather/release_prep.py",
    "shape": [
      "__START__ -> load_release",
      "load_release -> write_highlights",
      "write_highlights -> gather",
      "load_release -> write_upgrade_steps",
      "write_upgrade_steps -> gather",
      "load_release -> check_links",
      "check_links -> gather",
      "gather -> assemble"
    ]
  },
  {
    "pattern": "Parallel fan-out, partial results",
    "type": "dynamic",
    "lesson_code": "adk-parallel-gather/release_prep.py",
    "shape": [
      "__START__ -> load_release",
      "load_release -> prepare",
      "prepare -> assemble"
    ]
  },
  {
    "pattern": "Coordinator with sub-agents",
    "type": "collaborative",
    "lesson_code": "adk-sub-agents/review_team.py",
    "shape": [
      "docs_reviewer (depth 1)",
      "  pr_summarizer (depth 2, sub-agent, mode=single_turn)",
      "  style_checker (depth 2, sub-agent, mode=single_turn)"
    ]
  },
  {
    "pattern": "Hierarchical task decomposition",
    "type": "collaborative",
    "lesson_code": "adk-task-decomposition/upgrade_guide.py",
    "shape": [
      "plan_guide (depth 1)",
      "  write_section (depth 2, AgentTool)",
      "    research_docs (depth 3, AgentTool)"
    ]
  }
]