feat: ship v0.8.0 with writing logs and AI knowledge extraction

Deliver P5.2 writing day logs, cockpit heatmap, streak tracking, and chapter knowledge auto-extraction with merge review.

Co-authored-by: Cursor <cursoragent@cursor.com>

src/renderer/components/layout/EditorLayout.tsx

@@ -9,6 +9,7 @@ import { useOutlineStore } from '@renderer/stores/useOutlineStore'
 import { useReferenceStore } from '@renderer/stores/useReferenceStore'
 import { useSettingsStore } from '@renderer/stores/useSettingsStore'
 import { useCockpitStore } from '@renderer/stores/useCockpitStore'
+import { useWritingStatsStore } from '@renderer/stores/useWritingStatsStore'
 import { ipcCall } from '@renderer/lib/ipc-client'
 import { TipTapEditor, flushEditorSave } from '@renderer/components/editor/TipTapEditor'
 import { insertLandmarkInEditor } from '@renderer/lib/editor-commands'
@@ -90,6 +91,9 @@ export function EditorLayout(): React.JSX.Element {
   const switchTarget = useEditStore((s) => s.switchTarget)
   const setTarget = useEditStore((s) => s.setTarget)
   const updateSchedule = useSettingsStore((s) => s.updateSchedule)
+  const dailyWordGoal = useSettingsStore((s) => s.dailyWordGoal)
+  const writingStats = useWritingStatsStore((s) => s.stats)
+  const refreshWritingStats = useWritingStatsStore((s) => s.refresh)
   const bridgeChapterId = useCockpitStore((s) => s.bridgeChapterId)
   const clearBridgeChapter = useCockpitStore((s) => s.clearBridgeChapter)
   const updateChapterLocal = useBookStore((s) => s.updateChapterLocal)
@@ -122,6 +126,11 @@ export function EditorLayout(): React.JSX.Element {
     }
   }, [currentBookId, target?.kind, target?.id])
 
+  useEffect(() => {
+    if (!currentBookId) return
+    void refreshWritingStats(currentBookId)
+  }, [currentBookId, lastSaved, refreshWritingStats])
+
   useEffect(() => {
     if (!currentBookId) return
     void ipcCall(() =>
@@ -344,6 +353,19 @@ export function EditorLayout(): React.JSX.Element {
           ))}
           {activePanel === 'chapters' && (
             <div className="sidebar-footer">
+              {selectedChapterId && currentBookId && (
+                <button
+                  type="button"
+                  data-testid="chapter-extract-knowledge"
+                  onClick={() =>
+                    void ipcCall(() =>
+                      window.electronAPI.knowledge.extractChapter(currentBookId, selectedChapterId)
+                    )
+                  }
+                >
+                  {t('knowledge.extractChapter')}
+                </button>
+              )}
               <button type="button" onClick={() => void handleNewChapter()}>
                 + {t('editor.newChapter')}
               </button>
@@ -405,6 +427,23 @@ export function EditorLayout(): React.JSX.Element {
             />
             <div id="editor-statusbar">
               <span>{saveStatus}{lastSaved ? ` · ${lastSaved.toLocaleTimeString()}` : ''}</span>
+              {dailyWordGoal > 0 && writingStats && (
+                <span
+                  className={`status-daily-goal ${
+                    writingStats.goalProgress >= 1
+                      ? 'goal-met'
+                      : writingStats.goalProgress >= 0.8
+                        ? 'goal-near'
+                        : ''
+                  }`}
+                  data-testid="status-daily-goal"
+                >
+                  {t('status.dailyGoal', {
+                    current: writingStats.todayWords,
+                    goal: dailyWordGoal
+                  })}
+                </span>
+              )}
               {showStockWarning && (
                 <span className="status-stock-warning" data-testid="status-stock-warning">
                   {t('stock.warning', {