Part 4 of 4 — terminal step of the org.yaml scalability refactor. Each
role in the molecule-dev template now owns its own workspace.yaml file,
colocated with the existing system-prompt.md / initial-prompt.md /
idle-prompt.md / schedules/*.md. Team files shrink to a leader's own
definition plus a list of !include refs.
## Platform change
`resolveYAMLIncludes` now uses a TWO-ROOT model:
- Path resolution is relative to the INCLUDING file's directory
(natural sibling + cousin refs, C-include / Sass @import convention).
- Security bound is the ORIGINAL org root (`rootDir`), preserved across
all recursion depths. Sibling-dir refs like `../my-role/workspace.yaml`
from a team file are now allowed (they stay inside the org template);
refs that escape the root still error.
Regression coverage: new `TestResolveYAMLIncludes_SiblingDirAccess`
reproduces the Phase 4 pattern (team file at `teams/x.yaml` referencing
`../<role>/workspace.yaml`) — fails without the fix, passes with.
## Template change
Atomized 15 child workspaces across 3 team files:
- `teams/research.yaml`: 58 → 30 lines; 3 children now !include refs
- `teams/dev.yaml`: 222 → 38 lines; 6 children now !include refs
- `teams/marketing.yaml`: 143 → 28 lines; 6 children now !include refs
Each role now has `<role>/workspace.yaml` colocated with its prompts.
Example `frontend-engineer/` directory:
frontend-engineer/
├── workspace.yaml (24 lines — name/role/tier/canvas/plugins/...)
├── system-prompt.md (from earlier phases)
├── initial-prompt.md
├── idle-prompt.md
└── (no schedules for this role — but if added, schedules/<slug>.md)
## File-size progression across all 4 phases
| State | org.yaml | total `.yaml` in tree |
|---|---:|---:|
| Before (main) | 1801 lines / 108 KB | 1801 / 108 KB (one file) |
| After Phase 1 (#389) | 1687 | 1687 / 101 KB |
| After Phase 2 (#390) | 676 | 676 / 35 KB |
| After Phase 3 (#393) | 114 | 683 (1 + 6 teams) / 33 KB |
| **After this PR** | **114** | **~698** (1 + 6 + 15 workspace) / 35 KB |
Aggregate size is flat — the decrease came from prompt externalization
in Phases 1/2; Phases 3/4 reorganize structure without adding content.
The win is readability and ownership:
- Every individual file fits on 1-2 screens.
- Adding a new role is now: create `<role>/` dir, add `workspace.yaml`
+ `system-prompt.md` + prompts, add ONE `!include` line to the team
file. No touching of aggregated mega-YAML.
- Team files can be reviewed + merged independently.
## Tests
All 10 `TestResolveYAMLIncludes_*` tests pass, including the real-template
integration test (`TestResolveYAMLIncludes_RealMoleculeDev`) which now
walks org.yaml → teams/pm.yaml → teams/research.yaml → ../market-analyst/
workspace.yaml and validates the full 21-role tree unmarshals cleanly.
Plus all existing `TestResolvePromptRef` + `TestOrgYAML` + `TestInitialPrompt`
suites stay green.
## Ops followup
After merging all 4 phases and deploying, the `POST /org/import`
endpoint should produce a workspace tree byte-identical to the
pre-refactor state. Verify with:
diff <(curl POST /org/import before) <(curl POST /org/import after)
or by spot-checking:
- `/configs/config.yaml` bodies across all 21 workspaces
- `workspace_schedules.prompt` row values
The externalization is lossless — YAML literal to file and back
recovers the same string modulo trailing-whitespace normalization.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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