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Levi Neuwirth 2d1812c431 feat(lsp): say when the language server did not start — journey step 6 
Implements `docs/journey-stage1b2-lsp-guidance-framing.md` (approved at
revision 4, after three review rounds). Lua, tests and docs; no Rust
change and no protocol change.

`COHERENCE.md` §1.2's canonical silence: a preconfigured server that is
not installed failed with no status message, no record and no modeline
marker, while tree-sitter highlighting kept working and masked it. Now
the status line names the command, the language and the errno; the
modeline reads `LSP:!` instead of nothing; and `M-x lsp.status` renders
a durable `*lsp*` panel.

Half of this was already built. `status_buffer_text()` and
`last_error()` have existed since M4.8, exposed to Lua and tested, with
no production caller and no buffer to render into — several doc
comments already referred to "the `*lsp*` buffer" as though it existed.
The reporting shape was likewise already adopted twice inside
`lsp.lua`; the canonical case was silent because nobody had converted
it.

Three tables with three lifetimes, because one cannot do the job:
`reported` is never cleared and includes the command, so repointing at
another missing executable reports again; `failures` is cleared by a
successful spawn so the panel goes quiet on recovery; and a
buffer-keyed projection feeds the modeline, because that provider runs
for every window on every paint and deriving an affinity key inside it
would invoke root resolvers during painting.

The memo is on the report, not the failure: the spawn is still
attempted on every file open, so installing the binary mid-session
recovers with nothing to invalidate.

Adds `tests/lsp_spawn_guidance_acceptance.rs` (16 pins) and a step-6
row to the journey ratchet.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Lv428Fth9LRtffwJSsqH7T
 		2026-07-30 22:07:30 -04:00
..
active-work.md feat(lsp): say when the language server did not start — journey step 6 2026-07-30 22:07:30 -04:00
agent-handoff.md feat(lsp): say when the language server did not start — journey step 6 2026-07-30 22:07:30 -04:00
auto-indent-framing.md docs: sync auto-indent review metadata 2026-07-10 15:57:38 -04:00
auto-pairing-framing.md test(edit): PR #110 round 3 — pin raw-byte predicate posture and top-level sets guard 2026-07-12 16:20:01 +01:00
autosave-recovery-framing.md fix(persistence): adopt clears the old owner's skip cache; failing sweeps are loud 2026-07-09 12:06:49 -04:00
bottom-panel-framing.md docs: bottom panel framing (revision 4, amended) 2026-07-24 13:00:46 -04:00
bottom-panel-stage2-framing.md docs(bottom-panel): record framing revision 7 2026-07-29 22:37:41 -04:00
comment-toggle-framing.md docs: comment-toggle framing (Arc 2) 2026-07-09 22:35:35 -04:00
compile-mode-framing.md fix(compile): make overlay teardown atomic 2026-07-14 10:57:14 +01:00
config-registry-framing.md fix(config): reject wrongly-typed spec fields; make trim-on-save buffer-aware 2026-07-21 18:29:18 -04:00
context-menu-framing.md docs: right-click context menu framing + as-built (Q#CM) 2026-06-27 22:19:00 -04:00
cua-typeover-undo-framing.md CUA type-over is a single undo step (Q#U1) 2026-06-15 20:00:53 -04:00
desktop-save-framing.md fix(persistence): reliable daemon gate, unarm, per-pane after-load 2026-07-08 22:27:24 -04:00
dired-framing.md docs: record dired Stage 1 (#165) as landed 2026-07-25 17:39:27 -04:00
dired-stage2-framing.md docs: dired Stage 2 framing rev 9 2026-07-28 21:09:11 -04:00
editing-conveniences-framing.md fix(edit): PR #111 round 1 — scalar-valid UTF-8, per-word capitalize, trim error reporting 2026-07-12 16:34:18 +01:00
folding-framing.md docs(folding): framing rev 5 — record approval + keybinding decision 2026-07-23 09:59:37 -04:00
folding-stage2-framing.md docs(folding): Stage 2 framing rev 4 — address review round 3 2026-07-23 17:25:55 -04:00
generated-buffer-immutability-framing.md merge: integrate main after PR 188 lands 2026-07-29 12:28:25 -04:00
gpu-attach-robustness-framing.md fix(gpu): F-008 fail-fast must actually tear down the session, not just flag it 2026-07-03 17:14:14 -04:00
gpu-chord-forwarding-framing.md docs: GPU general chord forwarding framing + as-built (Q#GC) 2026-07-03 10:05:55 -04:00
gpu-golden-harness-framing.md docs: GPU headless render harness framing + as-built (Q#GH) 2026-07-03 12:15:19 -04:00
gpu-initial-target-framing.md test(journey): pin the destination commit, and land the doc updates 2026-07-26 17:25:22 -04:00
gpu-invocation-framing.md Record second GPU invocation review closure 2026-07-23 12:40:03 -04:00
gpu-minibuffer-framing.md docs: GPU minibuffer framing + as-built (Q#MB) 2026-06-30 21:03:32 -04:00
gpu-set-font-framing.md fix(font): close stage-2 GPU behavioral findings 2026-07-18 15:29:25 +01:00
gpu-terminal-input-framing.md docs: measure the CI coverage gap and record the vterm as-framed audit 2026-07-25 17:17:23 -04:00
in-buffer-completion-framing.md docs(completion): phase-2 as-built notes (Q#C6 narrowing, window routing, v15 riders) 2026-07-07 19:57:10 -04:00
in-buffer-search-framing.md docs: consolidate in-buffer search framing (substring + regex) 2026-06-27 15:03:31 -04:00
inline-math-framing.md docs: record the inline-math slice (#158) as landed 2026-07-25 18:16:31 -04:00
inline-math-slice-framing.md fix(math): review round 3 — mapping bug, whitespace defect, real MATH gaps 2026-07-24 20:19:40 -04:00
journey-stage1a-framing.md fix(journey): honor the captured window, not the selected one 2026-07-26 18:20:02 -04:00
journey-stage1b2-lsp-guidance-framing.md docs(journey): framing revision 4 — close review round 3 2026-07-30 21:52:15 -04:00
json-yaml-framing.md docs(json-yaml): refresh final review state 2026-07-21 09:34:54 -04:00
keybindings.md docs: add cross-machine active-work handoff 2026-07-20 10:51:34 -04:00
kill-ring-framing.md docs: kill-ring framing (Arc 2), rev 3 2026-07-09 20:10:39 -04:00
latex-grammar-math-substrate-framing.md docs(inline-math): commit the parent inline-math framing 2026-07-23 14:06:26 -04:00
lean4-mode-framing.md fix(lean4): count fan-outs where a claim cannot skip the count 2026-07-26 17:15:24 -04:00
locals-query-processing-framing.md docs: record landed locals-query processing 2026-07-22 13:30:07 -04:00
lsp-panels-framing.md docs(panels): correct as-built accuracy — position encoding landed, refresh drifted refs 2026-07-08 14:29:23 -04:00
lua-bindings-split-framing.md refactor(lua): re-export install_* wiring fns to preserve the public API 2026-07-06 11:57:56 -04:00
mcp-for-package-authors.md M9 ship gate 2026-05-09 15:04:23 -04:00
mode-system-wiring-framing.md fix: harden mode acceptance startup 2026-07-22 08:18:18 -04:00
modeline-detection-framing.md docs: record landed modeline detection 2026-07-22 11:30:45 -04:00
multi-language-injections-framing.md fix(injections): PR #122 round 2 — sibling precedence, observable cap, docs 2026-07-15 12:07:21 +01:00
package-author-guide.md feat(statusline): add composable modeline segments at protocol v18 2026-07-21 12:01:25 -04:00
package-manager-hardening-framing.md fix(packages): F-005 must also guard the frozen/lockfile plan path 2026-07-03 19:05:08 -04:00
packages.md Fix CI and Documentation issues 2026-05-04 10:19:19 -04:00
persistence-framing.md docs: persistence framing (Arc 3) 2026-07-08 17:33:25 -04:00
pmacs-gpu-design.md test(font): wire acceptance suite + protocol/design docs (items 2-8, 15) 2026-07-18 11:46:44 +01:00
pmacs-gpu-diagnostic-parity-framing.md framing: pmacs-gpu diagnostic parity — quad squiggles, minimap marks 2026-06-12 10:00:06 -04:00
pmacs-gpu-mouse-deferred-framing.md framing: mouse deferred set — triple-click, Shift-click, minimap jump, edge auto-scroll 2026-06-12 12:12:18 -04:00
pmacs-gpu-mouse-framing.md session M-1 — Pointer wire + daemon byte-space mouse semantics 2026-06-10 13:10:17 -04:00
pmacs-gpu-perline-reshape-framing.md session R — per-line incremental reshape (typing latency floor) 2026-06-10 15:01:51 -04:00
pmacs-gpu-phase-a-audit.md Close pmacs-gpu phase A audit 2026-05-28 12:49:23 -04:00
pmacs-gpu-quad-backgrounds-audit.md docs: close quad-backgrounds arc — audit + framing status 2026-05-29 10:49:21 -04:00
pmacs-gpu-quad-backgrounds-framing.md docs: close quad-backgrounds arc — audit + framing status 2026-05-29 10:49:21 -04:00
pmacs-gpu-scroll-framing.md docs: viewport-scoped rendering + scroll framing (perf) 2026-05-30 10:28:59 -04:00
pmacs-gpu-status-band-framing.md framing: GPU status band — local freshness + v8 StatusFacts 2026-06-12 13:45:12 -04:00
pmacs-gpu-wavy-squiggles-framing.md pmacs-gpu: wavy diagnostic squiggles (Q#W1) 2026-06-15 18:41:56 -04:00
process-signal-diagnostic-completeness-framing.md docs(process): stop overclaiming the pre-kill sample; drop a dead comment 2026-07-30 14:41:50 -04:00
process-signal-tolerance-framing.md docs: frame the PTY terminate diagnostic (revision 4) 2026-07-25 21:12:51 -04:00
process-teardown-stdin-deadlock-framing.md fix(process): arm the setsid dependency, correct the orphan account 2026-07-29 22:54:06 -04:00
project.md Fix PTY final-output drain race 2026-05-04 09:44:30 -04:00
query-replace-framing.md fix(query-replace): pin the session to its origin buffer (wrong-buffer guard) 2026-07-08 17:07:08 -04:00
reap-ledger-silent-failures-framing.md fix(process): scope the escalation claim to ticks, and pin the boundary 2026-07-30 20:41:03 -04:00
repository-audit-2026-07-03.md docs(features): document the Lua feature matrix; drop unreachable compile_error idea (F-002) 2026-07-03 19:54:35 -04:00
resource-op-delete-guard-framing.md fix(lsp): close review gaps in workspace edit reporting 2026-07-29 12:29:50 -04:00
roadmap-2026-07.md docs: record Vterm Stage 3 landing 2026-07-22 19:54:14 -04:00
semantic-frontend-protocol.md feat(statusline): add composable modeline segments at protocol v18 2026-07-21 12:01:25 -04:00
side-quest-backlog.md docs: link tab-width parity PR 2026-07-22 15:06:10 -04:00
statusline-segments-framing.md fix(statusline): harden narrow-band review edges 2026-07-21 12:43:22 -04:00
tab-width-parity-framing.md docs: link tab-width parity PR 2026-07-22 15:06:10 -04:00
terminal-config-and-copy-mode-framing.md docs: correct the non-adopter attribution and two stale anchors 2026-07-26 16:45:12 -04:00
test-ambient-config-isolation-framing.md docs(tests): framing revision 4 — close review round 3 2026-07-30 13:57:02 -04:00
theme-faces-framing.md perf(themes): PR #120 round 5 -- O(1) frozen counts via store totals 2026-07-15 11:19:03 +01:00
ux-arc-framing.md docs(ux): as-built for sub-arc 3 + arc close (relative/hybrid, protocol v14) 2026-07-07 10:03:32 -04:00
vterm-framing.md Merge main, and fold #173's a37 findings into the CI-coverage lane 2026-07-26 09:29:42 -04:00
web-grammars-html-css-framing.md docs+test(web): name and pin the @attribute retro-paint (review round 3) 2026-07-23 16:11:47 -04:00