docs(phase9): mark Phase 9 mostly shipped + refresh HANDOVER

Phase 9 export plumbing, LLM content tags (with migration v14 + storage
+ Tauri-command extension that picks up the latent manualTags
persistence bug as a side effect), and sparkline polish all on main.
SettingsPage deeper restructure and walkthrough-driven a11y sweeps
deferred to a follow-up polish session and Phase 10a QC respectively.
Roadmap Phase 9 entry updated with shipped + deferred notes. HANDOVER
captures the full session including the plan-correction discovery and
the Codex-blocked retries. Phase 8 handover preserved as the dated
archive HANDOVER-2026-04-24.md.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

docs/roadmap/2026-04-23-corbie-feature-complete-roadmap.md

@@ -229,7 +229,7 @@ The bus applies suppression rules, then dispatches via Rust commands for platfor
 
 ---
 
-## Phase 9 — Polish debt
+## Phase 9 — Polish debt — **MOSTLY SHIPPED 2026/04/24-25**
 
 > **All Phase 9 work is paused until Phase 1 – Phase 8 are closed.** Per Jake's rule: features first, polish second.
 
@@ -243,6 +243,29 @@ The bus applies suppression rules, then dispatches via Rust commands for platfor
 
 **Estimated effort.** 1 – 2 days.
 
+**Shipped note (2026/04/25).** Sub-phases 9a (export plumbing) + 9b
+(LLM content tags + migration v14 + storage extension) + sparkline
+motion / a11y polish all on `main`, commits `49a795f` to `dd45f10`.
+Migration v14 adds `transcripts.llm_tags`; `update_transcript_meta`
+gains a sixth Option; the latent `manualTags` persistence bug was
+also fixed in passing (the pre-existing `saveHistory()` no-op stub
+is now bypassed by HistoryPage tag handlers calling
+`saveTranscriptMeta`). Suite green: 277 cargo tests / clippy clean
+all-targets / fmt clean / svelte-check 0/0 / npm build clean.
+
+**Deferred to Phase 9 follow-up (post-v0.1 polish iteration):**
+- Full `SettingsPage` regroup into 7 progressive-disclosure groups
+  (Start here / Transcription / Tasks / Rituals / Notifications /
+  Accessibility / Advanced) plus search box. The 2309-line file
+  uses a hand-rolled accordion that needs careful unwinding; only
+  the Phase 8 carryover sparkline relocation landed this session.
+  `SettingsGroup.svelte` component is in tree, ready for that pass.
+- Walkthrough-driven a11y / contrast / typography sweeps. The
+  scoped checklist (keyboard traversal, focus-visible ring sweep,
+  WCAG AA contrast in both themes, dark-mode parity, prefers-
+  reduced-motion checks) needs a running dev server to validate.
+  Phase 10a QC absorbs the walkthrough.
+
 ---
 
 ## Phase 10 — QC + rename + release — **SPLIT 2026/04/23**