chore: restructure collab into questions/proposals/plan subdirs; update references

collab/plan/00-bootstrap.md

@@ -1,11 +1,10 @@
 # 00 — Bootstrap — Plan
 
 1. Create `collab/` directory for coordination artifacts.
-2. Move `QUESTIONS.md` to `collab/00-bootstrap-questions.md`.
-3. Add `collab/00-bootstrap-proposal.md` and this plan file.
+2. Move `QUESTIONS.md` to `collab/questions/00-bootstrap.md`.
+3. Add `collab/proposals/00-bootstrap.md` and this plan file at `collab/plan/00-bootstrap.md`.
 4. Create `AGENTS.md` capturing repository working agreements.
 5. Append Addendum to `SeedPrompt.md` describing the new structure.
 6. Commit and push changes to `main`.
 
 Status: pending review/confirmation.
-

collab/proposals/00-bootstrap.md

@@ -8,13 +8,12 @@ Scope:
 - Maintain `AGENTS.md` with working conventions and agent guidance.
 
 Deliverables (this step):
-- collab/00-bootstrap-questions.md (moved from root)
-- collab/00-bootstrap-proposal.md (this file)
-- collab/00-bootstrap-plan.md (skeleton)
+- collab/questions/00-bootstrap.md (moved from root QUESTIONS.md)
+- collab/proposals/00-bootstrap.md (this file)
+- collab/plan/00-bootstrap.md (skeleton)
 - AGENTS.md (initial content)
 - SeedPrompt.md updated with an Addendum describing this structure
 
 Acceptance Criteria:
 - Repo contains the above files with agreed naming scheme.
 - CI not required; manual review suffices for this step.
-