refactor(fs): minimize and cap search card meta; keep TUI byte-identical
Address the review of the search render card: - The search result view carries no `content`: it was a no-op for every consumer and serialized the whole search text twice. A UI without a search card falls back to the raw tool/result content; the TUI stays byte-identical to the pre-search-card generic fallback. - Bound the serialized presentationMeta with a configurable searchMetaMaxBytes (default 64 KiB): the inline item cap does not bound bytes, and spill-policy only shrinks content, never meta. capMetaBytes drops trailing groups/paths. - Share one retention pass (retainGrepMatches/retainGlobPaths in search-core) between the model-facing render and the meta projection; remove the second cap/preview implementation and the presentation<->grep module cycle by moving GrepMatch/previewLine to search-core. - Rename the result-view discriminant kind -> shape so it no longer collides with GenericCallView.kind (ToolCallKind, whose values include 'search'). - Narrow the entry export surface to consumed symbols. - Sync the three bilingual ToolResultView doc pairs and the Agent Note pair; document the deliberate empty-card acceptance vs diffsFromMeta. - Regenerate config/tool/cordis catalogs for the new config field.
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@@ -108,7 +108,7 @@ Optional `isConcurrencySafe(args)` receives typed, softly validated arguments. E
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Tools optionally own pure `presentCall()` and `presentResult()` render intents, so UIs do not special-case tool names:
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- Call views are `{ card: 'generic', title, kind?, rawInput?, content?, locations? }`, `{ card: 'terminal', title, description?, cwd? }`, or `{ card: 'diff', title, diffs, locations? }`.
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- Result views are `{ card: 'generic', title?, content? }`, `{ card: 'terminal', title?, output?, exitCode?, signal? }`, or `{ card: 'diff', title?, diffs }`.
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- Result views are `{ card: 'generic', title?, content? }`, `{ card: 'terminal', title?, output?, exitCode?, signal? }`, `{ card: 'diff', title?, diffs }`, or `{ card: 'search', shape, title?, truncated, total, … }` (a completed discovery search — grouped-by-file matches for `shape: 'matches'` (grep) or a flat path list for `shape: 'paths'` (glob), with `truncated`/`total` so a UI never presents a capped result as complete; the view carries no result text and a search has no `card: 'search'` call-time analogue).
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Returning `undefined` selects generic fallback. Presenters depend only on their arguments and the durable result because UIs call them during live streaming and log replay. `output.presentationMeta(args, value)` derives JSON metadata for direct surface calls; that metadata persists with `tool/result` and returns to `presentResult`, while the canonical value itself remains execution-local and is never replayed. Nested Code dispatches do not compute metadata. `defineTool` soft-validates older logged arguments and falls back instead of crashing replay. `dsh-tool-bash` and `dsh-tool-fs` are the reference implementations; the [canonical-output Agent Note](../../../.agents/notes/implemented/architecture/2026-07-20-canonical-tool-output-contract.md) owns the value/presentation split and the [render-intent Agent Note](../../../.agents/notes/implemented/architecture/2026-07-02-tool-render-intent-union.md) owns card vocabulary.
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