Add JSON integrity hash checks

src/ccma/ui/dialogs.py

@@ -510,3 +510,46 @@ class AssetClaimDialog(tk.Toplevel):
             return
         self.destroy()
         self.on_created(str(result["claim"]["claim_id"]))
+
+
+class IntegrityWarningDialog(tk.Toplevel):
+    def __init__(
+        self,
+        master: tk.Misc,
+        *,
+        title: str,
+        warnings: list[str],
+        on_confirm: Callable[[], None],
+    ):
+        super().__init__(master)
+        self.on_confirm = on_confirm
+        self.title(title)
+        self.transient(master.winfo_toplevel())
+        self.resizable(False, False)
+        self.warnings = warnings
+        self._build_ui()
+        self.bind("<Escape>", lambda _event: self.destroy())
+        self.after_idle(self._activate_modal)
+
+    def _build_ui(self) -> None:
+        frame = ttk.Frame(self, padding=18)
+        frame.pack(fill="both", expand=True)
+        message = (
+            "ACHTUNG: Die zugehörigen JSON-Dateien wurden vermutlich extern geändert.\n\n"
+            "Haben Sie alle Daten geprüft und soll der Hash jetzt aktualisiert werden?"
+        )
+        ttk.Label(frame, text=message, justify="left").grid(row=0, column=0, sticky="w")
+        ttk.Label(frame, text="\n".join(f"• {item}" for item in self.warnings), style="Warning.TLabel", justify="left").grid(
+            row=1, column=0, sticky="w", pady=(12, 0)
+        )
+        buttons = ttk.Frame(frame)
+        buttons.grid(row=2, column=0, sticky="e", pady=(18, 0))
+        ttk.Button(buttons, text="Nein", command=self.destroy).pack(side="left", padx=(0, 8))
+        ttk.Button(buttons, text="Ja, bestätigen", style="Accent.TButton", command=self._confirm).pack(side="left")
+
+    def _activate_modal(self) -> None:
+        _activate_modal_window(self)
+
+    def _confirm(self) -> None:
+        self.destroy()
+        self.on_confirm()

src/ccma/ui/main_window.py

@@ -471,7 +471,7 @@ class MainWindow(ttk.Frame):
         tab = HousekeeperTab(
             self.notebook,
             self.findings,
-            self.open_member,
+            self._open_housekeeper_target,
             self.run_housekeeper,
             self.delete_housekeeper_task,
             lambda: self.tabs.close(key),
@@ -545,12 +545,22 @@ class MainWindow(ttk.Frame):
         self.tabs.refresh_icons(self.icons)
 
     def _show_validation_warning(self) -> None:
+        display_errors = [item for item in self.validation_errors if "Hash fehlt oder stimmt nicht" not in item]
+        if not display_errors:
+            return
         messagebox.showwarning(
             "Datenprüfung",
-            "Der Store enthält ungültige Akten:\n\n" + "\n".join(self.validation_errors[:12]),
+            "Der Store enthält ungültige Akten:\n\n" + "\n".join(display_errors[:12]),
             parent=self,
         )
 
+    def _open_housekeeper_target(self, finding: HousekeeperFinding) -> None:
+        if finding.target_type == "asset" and finding.asset_id:
+            self.open_asset(finding.asset_id)
+            return
+        if finding.member_id:
+            self.open_member(finding.member_id)
+
     def _member_reference_label(self, member_id: str) -> str:
         if not member_id:
             return "—"

src/ccma/ui/work_tabs.py

@@ -485,14 +485,14 @@ class HousekeeperTab(ttk.Frame):
         self,
         master: tk.Misc,
         findings: list[HousekeeperFinding],
-        on_open_member: Callable[[str], None],
+        on_open_target: Callable[[HousekeeperFinding], None],
         on_refresh: Callable[[], list[HousekeeperFinding]],
         on_delete: Callable[[str], list[HousekeeperFinding]],
         on_close: Callable[[], None],
     ):
         super().__init__(master, padding=12)
         self.findings = findings
-        self.on_open_member = on_open_member
+        self.on_open_target = on_open_target
         self.on_refresh = on_refresh
         self.on_delete = on_delete
         self.on_close = on_close
@@ -602,11 +602,15 @@ class HousekeeperTab(ttk.Frame):
     def _open_selected(self) -> None:
         selected = self.tree.selection()
         if selected:
-            self.on_open_member(self.findings[int(selected[0])].member_id)
+            self.on_open_target(self.findings[int(selected[0])])
 
 
 def _finding_details(finding: HousekeeperFinding) -> str:
     lines = [f"{finding.severity.upper()} · {finding.code}", finding.title]
+    if finding.target_type == "asset" and finding.asset_id:
+        lines.append(f"Asset: {finding.asset_id}")
+    elif finding.member_id:
+        lines.append(f"Mitglied: {finding.member_id}")
     if finding.key:
         lines.append(f"Key: {finding.key}")
     if finding.due_date: