edit_page_text reported "success" when asked to change formatting (e.g. remove
strikethrough): the markdown-strip fallback matched the bare text, the replace
preserved marks, and the tool returned success — so the agent believed it had
fixed something that never changed.
Two fixes, both in the shared @docmost/mcp DocmostClient so they reach BOTH the
standalone MCP server and the in-app AI chat (which loads @docmost/mcp):
- Verifiable result for every content mutator: mutatePageContent now computes a
`verify` change-report (text inserted/deleted, blocks changed, per-mark-type
delta, integrity/structure delta) via summarizeChange() and returns it on all
mutators (incl. replaceImage via mutateLiveContentUnlocked). diffDocs is
text-only, so the mark/structure delta is what surfaces formatting changes.
- edit_page_text hard-refuses formatting edits: applyTextEdits rejects an edit
whose find/replace differ only in markdown markers (via stripBalancedWrappers,
which strips balanced wrappers/links without trimming whitespace/emoji, so
plain-text edits like trailing-space trims, snake_case, math are NOT refused).
A fully-refused batch errors instead of silently succeeding.
Also updated the model-facing edit_page_text descriptions in BOTH tool layers
(packages/mcp/src/index.ts and ai-chat-tools.service.ts) to drop the misleading
"strip-and-retry tolerated" wording and point formatting changes to patch_node.
New unit tests: test/unit/diff-verify.test.mjs, test/unit/json-edit-refuse.test.mjs.
Locators (edit_page_text `find`, insert_node `anchorText`) are matched
against the document's plain text, so a model-supplied locator carrying
markdown wrappers (**bold**, *italic*, `code`, [t](url)) or trailing emoji
never matched and the edit/insert failed. Add stripInlineMarkdown() and a
fallback: try the locator verbatim first (exact match wins, so literal
asterisks/underscores still work), and only on zero matches retry with a
markdown-stripped form. The ambiguity guard runs on the post-fallback count,
and `replace` / inserted node content are never stripped, so no formatting is
lost. Failed edits gain an atom-aware reason plus a bounded "closest block
text" hint; the insert_node "anchor not found" error now points at plain-text
anchors / anchorNodeId.
New packages/mcp/src/lib/text-normalize.ts (+ unit tests); wired into
json-edit.ts and node-ops.ts; tool descriptions updated. Tests: 212 pass.
