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7ccbfaeb1a
Addresses the five findings on PR #3710 from the latest re-review: 1. **[Critical] FIFO/pipe at `customAsciiArt.path` no longer hangs startup.** The resolver was calling `openSync(path, O_NOFOLLOW)` *before* the `fstatSync(...).isFile()` check; on POSIX, opening a FIFO read-only blocks until a writer connects, and `O_NOFOLLOW` doesn't help — it only refuses symlinks at the final path component. `readArtFile` now `lstatSync()`s first and refuses non-regular files (FIFO / socket / device / symlink) before the open, while keeping the post-open `fstatSync` check for TOCTOU safety against a swap between the lstat and the open. New POSIX-only regression test `mkfifo`s a named pipe and asserts the resolver soft-fails inside 1 s; if the open ever regresses to blocking, the test will hang past the timeout and the assertion will catch it. 2. **[Suggestion] `{path}` and `{small,large}` are now mutually exclusive in both schema and runtime.** The `jsonSchemaOverride` on `ui.customAsciiArt` is split into three branches (string, `{path}`, `{small?, large?}`); none of them allow `path` and tier keys to co-exist. `normalizeTiers()` mirrors that — an object carrying both kinds of keys is now soft-rejected with a `[BANNER]` warn rather than letting `path` silently win and dropping the tier values. New regression test pins the runtime side. 3. **[Suggestion] Column cap and tier-fit selection now measure in terminal cells.** `getAsciiArtWidth` (in `textUtils.ts`) and the `MAX_ART_COLS` cap in `customBanner.ts` were both using UTF-16 `.length`, so 200 CJK fullwidth characters would slip the cap and render at ~400 cells, and `pickAsciiArtTier`'s width-fit check was wrong for any non-ASCII art. Switched both to `getCachedStringWidth` (string-width semantics, already in the repo); art truncation walks code points until adding another would push the cell width past the cap, so we never split a fullwidth code point or surrogate pair down the middle. New regression test exercises the CJK fullwidth case. 4. **[Suggestion] `collectScopedTiers()` no longer drops a whole scope just because it has no `file.path`.** Inline-string tiers don't need an owning settings directory; only `{path}` tiers do. The path-presence check was moved into the `{path}` branch, so a path-less scope (e.g. `systemDefaults`, future SDK-injected scopes) can still contribute inline art. `{path}` entries in such a scope soft-fail with a tier-specific `[BANNER]` warn rather than killing the whole scope. Two regression tests cover both sides. 5. **[Suggestion] OSC / CSI / SS2-3 regex are now authored once.** Extracted `TERMINAL_OSC_REGEX`, `TERMINAL_CSI_REGEX`, `TERMINAL_SHIFT_DCS_REGEX` from `stripTerminalControlSequences` in `@qwen-code/qwen-code-core` and re-export them from the package index. `customBanner.ts` reuses the constants for `sanitizeArt` (which still has to preserve `\n` / `\t`) and delegates the title/subtitle pipeline directly to `stripTerminalControlSequences`. Also backported the C1 control strip (0x80-0x9F) into the core helper so all callers (session-title, etc.) benefit from the same coverage; banner sanitizer was the only place catching single-byte CSI / DCS / ST. Banner suite is now 40 + 17 + 6 + 16 = 79 tests, all green. Schema regen is still byte-for-byte idempotent. `npm run typecheck` and prettier clean on touched files. |
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| .. | ||
| channels | ||
| cli | ||
| core | ||
| sdk-java | ||
| sdk-python | ||
| sdk-typescript | ||
| vscode-ide-companion | ||
| web-templates | ||
| webui | ||
| zed-extension | ||