Add pre-registration draft, timeline skeleton and AI-use log

Claude-Session: https://claude.ai/code/session_01S8KN7NuUCm8nXLmy6eDuVv

00-supervisor/timeline.md

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+# Thesis timeline
+
+*Skeleton, 28/10/2026. Supervisor: "timeline up to me". Interim and final deadlines aren't
+known yet, so get them from the handbook / supervisor, then fill in the dates.*
+
+## Fixed dates (to find out)
+
+| Milestone | Date | Source |
+|---|---|---|
+| Interim report / review 1 | `[ ]` | |
+| Interim report / review 2 | `[ ]` | |
+| Thesis submission | `[ ]` | |
+| Viva / presentation | `[ ]` | |
+
+## Plan
+
+| Phase | What "done" means | Status | Target |
+|---|---|---|---|
+| Organise project | `thesis/` repo, git | ✅ 28/10 | |
+| Lit: protocol | `02-literature/protocol.md` reviewed and owned | draft ✅ | `[ ]` |
+| Lit: survey + snowball round 1 | screening decisions made in `screening.csv` | AI first pass ✅, your decisions pending | next meeting |
+| Lit: snowball round 2 | from the `*` includes | not started | `[ ]` |
+| Lit: extraction table | full-text read of includes, "how mine differs" for each `*` | not started | `[ ]` |
+| Revisit research questions | after extraction | | `[ ]` |
+| Tech spike | nanoGPT + TinyStories on MPS, run logging | ✅ 28/10 (smoke tests only) | |
+| Pre-registration | `06-experiments/preregistration.md` decisions filled + committed | draft ✅ | `[ ]` before main runs |
+| Pilot | time one full-size run; fix per-run budget | | `[ ]` |
+| Mechanism logging | attention-logit / entropy / kurtosis hooks | | `[ ]` |
+| Main sweep | QK on/off × LR grid × depth × seeds | | `[ ]` |
+| Analysis + write-up | | | `[ ]` |
+
+## Next meeting
+
+- [ ] survey for lit done (screening decisions)
+- [ ] started on snowball (round 1 done; show the flow table in protocol.md section 7)
+- [ ] timeline (this file, with dates)
+- [ ] tech spike: done early, discuss
+- [ ] send anything for him to read **early**, e.g. `protocol.md`