docs: assess ECT draft submission readiness, fix -00/-01 discrepancies

- Add docs/status.md with full draft quality assessment
- Fix blog post: update outdated claim names (par -> pred, ext -> ect_ext)
- Update refimpl README: add -00 vs -01 migration note with claim mapping
- Update IMPROVEMENTS.md: add section 6 with all -01 migration tasks

docs/status.md

@@ -0,0 +1,51 @@
+# research.ietf — Status
+
+## 2026-04-03 — Draft Assessment and Cleanup
+
+### Current State
+
+**Primary draft**: `draft-nennemann-wimse-ect-01` (Execution Context Tokens for Distributed Agentic Workflows)
+- Location: `workspace/drafts/ietf-wimse-ect/`
+- Format: kramdown-rfc markdown, 1839 lines
+- Rendered: 43 pages (TXT), XML and HTML available
+- Last build: 2026-03-06
+
+### Draft Quality Assessment
+
+The -01 draft is **structurally complete and IETF-compliant**:
+
+- All required sections present: Abstract, Introduction, Conventions/Definitions, Security Considerations, Privacy Considerations, IANA Considerations, References (normative + informative)
+- BCP 14 (RFC 2119/8174) boilerplate included
+- IANA registrations complete: 2 media types, 1 HTTP header field, 6 JWT claims
+- 3 use cases in appendix (L1, L2, L3)
+- Comprehensive Related Work section (WIMSE, OAuth, TxnTokens, OpenTelemetry, PROV, SCITT, RATS, emerging agent protocols)
+- No TODOs/FIXMEs/TBDs in the draft
+
+### Issues Found and Fixed
+
+1. **Blog post outdated claim names** (FIXED): `par` -> `pred`, `ext` -> `ect_ext` in `blog-ect-assurance-levels.md`
+2. **Refimpl README outdated** (FIXED): Added migration note documenting -00 vs -01 claim name changes, updated specification references
+3. **Refimpl IMPROVEMENTS.md** (FIXED): Added section 6 documenting all -01 migration tasks needed
+
+### Outstanding Issues
+
+1. **Refimpl not updated to -01**: Reference implementations (Go + Python) still use -00 claim names (`par` instead of `pred`, `pol`/`pol_decision` instead of `ect_ext`, `sub` not in spec). This is the biggest gap before submission.
+2. **Build tooling**: `kramdown-rfc2629` not installed in this environment. Need Ruby gem to rebuild from markdown.
+3. **Date stale**: XML was built 2026-03-06. Needs rebuild before submission.
+4. **Other draft workspace**: `workspace/drafts/` contains 7 other draft directions (gap-analysis, agent-context-policy, new-drafts, etc.) — none are as mature as the ECT draft.
+
+### Analyzer Status
+
+- 475 drafts fetched, 361 relevant after false-positive filtering
+- 713 authors, 501 ideas, 132 cross-org convergent ideas, 12 gaps
+- Web UI and blog series functional
+- Pipeline: v0.3.0 publication-ready
+
+### Next Steps (Priority Order)
+
+1. **P0**: Update refimpl to -01 claim names (pred, ect_ext, exec+jwt typ)
+2. **P0**: Install kramdown-rfc2629 and rebuild draft with current date
+3. **P1**: Submit -01 to IETF datatracker (upload XML)
+4. **P1**: Publish blog post about assurance levels
+5. **P2**: Consider WIMSE mailing list introduction
+6. **P2**: Run updated pipeline on 101 unprocessed drafts