Nested Sub-Agents in OrchestKit

Contents

1. 01Nested Sub-Agents in OrchestKit: Adopting CC 2.1.172–2.1.173p.1
2. 021. Context & Timelinep.2
3. 032. PR #2368 — Making Nesting Observablep.3
   1. 2.1 chain-patterns Pattern 9 — Nested Delegationp.3
   2. 2.2 Per-skill compatibility note, not a floor bumpp.3
   3. 2.3 subagent-validator telemetryp.3
   4. 2.4 cc-version-check nudges /release-notesp.3
   5. 2.5 Two drive-by hook bugfixesp.3
4. 043. PR #2370 — Making Nesting Usablep.4
   1. 3.1 Layer 1 — Agent prompts (the delegation sweep)p.4
   2. 3.2 Layer 2 — Runtime depth injectionp.4
   3. 3.3 Layer 3 — Orchestration skillsp.4
   4. 3.4 CI guard — declarations can't drift from docsp.4
5. 054. Design Decisions & Trade-offsp.5
   1. Known debtp.5
6. 065. Verificationp.6
7. 076. Reusable Patternsp.7
   1. Adopt in two passes — observable first, usable secondp.7
   2. Document-declared-tools-or-they're-deadp.7
   3. Spawn-time self-limiting beats post-hoc warningsp.7