feat(kernel): Wave 6 mega-phase — bits6, protocol, booter, docs, CI

- Add sixth capability word (bits6), STOCK_V6, FEATURE6_* in bare-os-protocol;
  seed caps, channel.js, seed-rpc-methods registry, replication/handshake fields
- Booter: Wave 6 /proc JSON surfaces, ctx 1.15.0, Pear/DHT hooks, subprocess
  snapshot v3, audit v3, extension registry v3 edges, hrpc stub, worker/sandbox
- Kernel: boot.policy v6 enforcement (requireFeatureBits6, booter semver, ctx min,
  extension deny/hash pins, offline LKG strict); example policy + seeder kernel sync
- Schemas: boot.policy v6, OTel JSONL v3 + example; validate-example-schemas pairs
- CI: verify-kernel-roadmap-wave6 (100 rows), verify-pear-no-static-node-import,
  extend wave3/compat-matrix/ctx verifiers; pretest wiring
- Docs: ADR 001 v6, kernel-capabilities-index Word 6, kernel-extensions,
  feature-roadmap Wave 6 table, compatibility matrix, handbook ch.11, developer-guide
  (privacy, bare-boot alignment, bare-fetch), http-curl, scripts/README, DOCUMENTATION
- Tests: booter /proc readdir expectations for new bare_os_* nodes

developer-guide/README.md

@@ -41,6 +41,8 @@ This project is **experimental research software**. APIs described here follow t
 | [10 — Glossary and FAQ](10-glossary-and-faq.md)                         | Quick definitions; frequent questions                                                      |
 | [11 — Kernel + Pear cookbook](11-kernel-pear-cookbook.md)               | Boot allowlist, timers, socket IPC, `vfs.watch`, HDMS hooks, Git-in-Pear, release metadata |
 | [12 — Bare modules and Pear ecosystem](12-bare-modules-and-pear-ecosystem.md) | `ctx.bare`, manifest, drive bundles, Holepunch `bare-*` mirror vs guaranteed keys |
+| [13 — Privacy, telemetry, and PII](13-privacy-telemetry-pii.md) | Scrub lists for NDJSON / OTel mirrors; non-secret posture |
+| [bare-boot vs kernel phases](bare-boot-kernel-phase-alignment.md) | Conceptual map: Holepunch **`bare-boot`** stages vs stock **`kernel/init.js`** |
 
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