feat: status bar format, tab titles with source, taller tabs, pill hover, source switch base fix

- Status bar: show StructName.field +0xOFFSET with dimmed offset suffix
- Status bar: sync font to global editor font (JetBrains Mono 10pt)
- Dock tab title: include active source name (StructName — source.exe)
- Dock tabs +10% height (28→31), pane tabs (24→26), workspace title (26→29)
- Footer pills (+1024, Trim, +10): add visual hover highlight via IND_HOVER_SPAN
- Fix source switch keeping old base address for plugin providers

src/editor.h

@@ -86,6 +86,9 @@ signals:
     void typePickerRequested(EditTarget target, int nodeIdx, QPoint globalPos);
     void insertAboveRequested(int nodeIdx, NodeKind kind);
     void relativeOffsetsChanged(bool relative);
+    void appendBytesRequested(uint64_t structId, int byteCount);
+    void trimHexRequested(uint64_t structId);
+    void appendEnumMembersRequested(uint64_t enumId, int count);
 
 protected:
     bool eventFilter(QObject* obj, QEvent* event) override;