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feat(qt): add bounded literal Find to main screen and history - #325
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JavaZeroo merged 8 commits intoNov 6, 2026
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Add Ctrl+Shift+F, a current-session Find panel with query focus, Previous/Next/ Close buttons, a Match case toggle and status text. Reuse TextSearch's bounded literal policy (4096 UTF-8 byte query, 1024-result cap, ASCII case folding, existing loop/truncation statuses) in incremental timer slices. Hits stay source-positioned; navigation reveals the source row through HistoryViewport and highlights via the current ViewMapping, so display row numbers are never stored. Escape closes the panel and restores terminal focus. Add a formal Qt regression with the deterministic selection fixture: public shortcut/query, history reveal, source hit and painted spans, Previous/Next, no-match status, Escape focus restoration and query limit. No system clipboard, paste, BCD/VM or new search semantics are changed.
Add the Find implementation/verification record, source and test identity, the captured offscreen panel image, and converge FEATURES/EVIDENCE on the bounded capability. Keep selection, TUI/alternate-screen Find, physical presentation, DPI and performance outside the claim.
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Add multiple-match source/order/wrap assertions with exact painted width, history and current-page reveal, narrow/wide source migration, eviction non-resurrection, epoch invalidation, two real sessions with independent input recording, zero query leakage and post-Escape input targeting. Exercise empty query, actual Match case, 4097-byte/Chinese/NFD over-limit rejection without silent truncation, and Return/F3/Shift+F3. Make the query field stop silently truncating at 4096 units; TextSearch now rejects the exact UTF-8 byte limit with an explicit status. Add F3/Shift+F3 to the existing Next/Previous contract. The test-only selection child can record received input bytes; no product clipboard/desktop is touched.
Use the formal query entry for ASCII keyboard and Qt input-method commit text: legal 4096-byte and >4096 Chinese/NFD inputs preserve the full text and show the explicit limit without silent truncation, with zero child-input leakage. Add a third real child with bounded deterministic output: repeated short literals exceed 1024 non-overlapping hits, exercising the Qt capped notice and finite first/last wrap; a >4096-byte scan keeps an observable Searching stage with partial hits, and public navigation stays inside the scanned prefix instead of wrapping into unscanned output. Pacing is a test-only timer setting; product budgets and caps are unchanged.
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背景
#29 主线已有
TextSearch、TextDocument、HistoryViewport、ViewMapping和历史/源选择。本切片把既定的有界字面量 Find 接入正式 Qt 正常主屏与历史显示页，不新增搜索语义，不依赖粘贴 #324。内容
Ctrl+Shift+F打开当前会话 Find 面板；查询框取得焦点，Previous/Next/Close 按钮、Match case 开关和状态文本。TextSearch状态。TextSearch::step的 4096 单位预算在计时器切片中推进，不一次扫描整个文档；输出变化通过notify_change失效并重扫。TextPosition，通过HistoryViewport::reveal定位历史/当前页，当前ViewMapping投影高亮；不保存显示行号。验证
qt_find：Ctrl+Shift+F 实际按键、查询焦点、确定性 child 的SEL_SOFT_源命中、历史 reveal、高亮投影、Previous/Next、无命中、Escape 焦点恢复、4096 查询上限。qt_find1/1），未触个人剪贴板/桌面。边界