diff --git a/src/utils/__tests__/hooks.test.ts b/src/utils/__tests__/hooks.test.ts
index 59439cc2..1b45978c 100644
--- a/src/utils/__tests__/hooks.test.ts
+++ b/src/utils/__tests__/hooks.test.ts
@@ -10,8 +10,14 @@ import {
     it
 } from 'vitest';
 
-import { DEFAULT_SETTINGS } from '../../types/Settings';
-import { syncWidgetHooks } from '../hooks';
+import {
+    DEFAULT_SETTINGS,
+    SettingsSchema
+} from '../../types/Settings';
+import {
+    removeManagedHooks,
+    syncWidgetHooks
+} from '../hooks';
 
 const ORIGINAL_CLAUDE_CONFIG_DIR = process.env.CLAUDE_CONFIG_DIR;
 let testClaudeConfigDir = '';
@@ -76,4 +82,166 @@ describe('syncWidgetHooks', () => {
             ]
         });
     });
+
+    it('heals legacy untagged ccstatusline hooks instead of leaving duplicates', async () => {
+        const settingsPath = getClaudeSettingsPath();
+        const command = '/Users/test/.bun/bin/ccstatusline';
+        fs.writeFileSync(settingsPath, JSON.stringify({
+            statusLine: { type: 'command', command },
+            hooks: {
+                PreToolUse: [
+                    {
+                        matcher: 'Skill',
+                        hooks: [{ type: 'command', command: 'bunx -y ccstatusline@latest --hook' }]
+                    },
+                    {
+                        matcher: 'Other',
+                        hooks: [{ type: 'command', command: 'keep-command' }]
+                    }
+                ],
+                UserPromptSubmit: [
+                    { hooks: [{ type: 'command', command: 'bunx -y ccstatusline@latest --hook' }] }
+                ]
+            }
+        }, null, 2), 'utf-8');
+
+        const settings = SettingsSchema.parse({ lines: [[{ id: 'skills-1', type: 'skills' }]] });
+
+        await syncWidgetHooks(settings);
+
+        const saved = JSON.parse(fs.readFileSync(settingsPath, 'utf-8')) as { hooks?: Record<string, unknown[]> };
+        expect(saved.hooks).toEqual({
+            PreToolUse: [
+                {
+                    matcher: 'Other',
+                    hooks: [{ type: 'command', command: 'keep-command' }]
+                },
+                {
+                    _tag: 'ccstatusline-managed',
+                    matcher: 'Skill',
+                    hooks: [{ type: 'command', command: `${command} --hook` }]
+                }
+            ],
+            UserPromptSubmit: [
+                {
+                    _tag: 'ccstatusline-managed',
+                    hooks: [{ type: 'command', command: `${command} --hook` }]
+                }
+            ]
+        });
+    });
+
+    it('preserves other commands in mixed legacy hook entries while syncing', async () => {
+        const settingsPath = getClaudeSettingsPath();
+        const command = '/Users/test/.bun/bin/ccstatusline';
+        fs.writeFileSync(settingsPath, JSON.stringify({
+            statusLine: { type: 'command', command },
+            hooks: {
+                PreToolUse: [
+                    {
+                        matcher: 'Skill',
+                        hooks: [
+                            { type: 'command', command: 'npx ccstatusline --hook' },
+                            { type: 'command', command: 'keep-command' }
+                        ]
+                    }
+                ]
+            }
+        }, null, 2), 'utf-8');
+
+        const settings = SettingsSchema.parse({ lines: [[{ id: 'skills-1', type: 'skills' }]] });
+
+        await syncWidgetHooks(settings);
+
+        const saved = JSON.parse(fs.readFileSync(settingsPath, 'utf-8')) as { hooks?: Record<string, unknown[]> };
+        expect(saved.hooks).toEqual({
+            PreToolUse: [
+                {
+                    matcher: 'Skill',
+                    hooks: [{ type: 'command', command: 'keep-command' }]
+                },
+                {
+                    _tag: 'ccstatusline-managed',
+                    matcher: 'Skill',
+                    hooks: [{ type: 'command', command: `${command} --hook` }]
+                }
+            ],
+            UserPromptSubmit: [
+                {
+                    _tag: 'ccstatusline-managed',
+                    hooks: [{ type: 'command', command: `${command} --hook` }]
+                }
+            ]
+        });
+    });
+
+    it('preserves other commands in mixed legacy hook entries while removing managed hooks', async () => {
+        const settingsPath = getClaudeSettingsPath();
+        fs.writeFileSync(settingsPath, JSON.stringify({
+            hooks: {
+                PreToolUse: [
+                    {
+                        matcher: 'Skill',
+                        hooks: [
+                            { type: 'command', command: 'bunx -y ccstatusline@latest --hook' },
+                            { type: 'command', command: 'keep-command' }
+                        ]
+                    },
+                    {
+                        matcher: 'LegacyOnly',
+                        hooks: [{ type: 'command', command: 'npx ccstatusline --hook' }]
+                    },
+                    {
+                        _tag: 'ccstatusline-managed',
+                        matcher: 'Managed',
+                        hooks: [{ type: 'command', command: '/Users/test/.bun/bin/ccstatusline --hook' }]
+                    }
+                ]
+            }
+        }, null, 2), 'utf-8');
+
+        await removeManagedHooks();
+
+        const saved = JSON.parse(fs.readFileSync(settingsPath, 'utf-8')) as { hooks?: Record<string, unknown[]> };
+        expect(saved.hooks).toEqual({
+            PreToolUse: [
+                {
+                    matcher: 'Skill',
+                    hooks: [{ type: 'command', command: 'keep-command' }]
+                }
+            ]
+        });
+    });
+
+    it('is idempotent — repeated syncs heal legacy hooks without accumulating', async () => {
+        const settingsPath = getClaudeSettingsPath();
+        const command = '/Users/test/.bun/bin/ccstatusline';
+        // Seed a legacy untagged hook so the first sync exercises the heal (regex) path,
+        // not just the tagged-entry path.
+        fs.writeFileSync(settingsPath, JSON.stringify({
+            statusLine: { type: 'command', command },
+            hooks: {
+                PreToolUse: [
+                    {
+                        matcher: 'Skill',
+                        hooks: [{ type: 'command', command: 'npx ccstatusline --hook' }]
+                    }
+                ]
+            }
+        }, null, 2), 'utf-8');
+
+        const settings = SettingsSchema.parse({ lines: [[{ id: 'skills-1', type: 'skills' }]] });
+
+        await syncWidgetHooks(settings);
+        const afterFirst = fs.readFileSync(settingsPath, 'utf-8');
+
+        await syncWidgetHooks(settings);
+        const afterSecond = fs.readFileSync(settingsPath, 'utf-8');
+
+        expect(afterSecond).toEqual(afterFirst);
+
+        const saved = JSON.parse(afterSecond) as { hooks?: Record<string, unknown[]> };
+        expect(saved.hooks?.PreToolUse).toHaveLength(1);
+        expect(saved.hooks?.UserPromptSubmit).toHaveLength(1);
+    });
 });
diff --git a/src/utils/hooks.ts b/src/utils/hooks.ts
index f43d74d3..74d1a419 100644
--- a/src/utils/hooks.ts
+++ b/src/utils/hooks.ts
@@ -15,6 +15,13 @@ export interface WidgetHookDef {
 
 const HOOK_TAG = 'ccstatusline-managed';
 
+// Matches ccstatusline hook commands written by any install method
+// (global binary, `bunx ccstatusline@latest --hook`, `npx ccstatusline --hook`, …).
+// Used to heal legacy/untagged hooks that predate HOOK_TAG so they do not
+// accumulate alongside the managed set on every sync. The space before `--hook`
+// and trailing boundary avoid matching unrelated `--hook*` substrings.
+const CCSTATUSLINE_HOOK_PATTERN = /ccstatusline.* --hook(?:\s|$)/;
+
 interface HookEntry {
     _tag?: string;
     matcher?: string;
@@ -27,12 +34,45 @@ function hasWidgetHooks(widget: Widget | null): widget is WidgetWithHooks {
     return Boolean(widget && 'getHooks' in widget && typeof widget.getHooks === 'function');
 }
 
+function isCcstatuslineManagedEntry(entry: HookEntry): boolean {
+    return entry._tag === HOOK_TAG;
+}
+
+function isLegacyCcstatuslineHookCommand(hook: { type: string; command: string }): boolean {
+    return CCSTATUSLINE_HOOK_PATTERN.test(hook.command);
+}
+
+function stripManagedHookEntry(entry: HookEntry): HookEntry | null {
+    if (isCcstatuslineManagedEntry(entry)) {
+        return null;
+    }
+
+    if (!entry.hooks) {
+        return entry;
+    }
+
+    const remainingHooks = entry.hooks.filter(hook => !isLegacyCcstatuslineHookCommand(hook));
+    if (remainingHooks.length === entry.hooks.length) {
+        return entry;
+    }
+
+    if (remainingHooks.length === 0) {
+        return null;
+    }
+
+    return {
+        ...entry,
+        hooks: remainingHooks
+    };
+}
+
 function stripManagedHooks(hooks: Record<string, HookEntry[]>): void {
     for (const event of Object.keys(hooks)) {
-        hooks[event] = (hooks[event] ?? []).filter(entry => entry._tag !== HOOK_TAG);
+        hooks[event] = (hooks[event] ?? [])
+            .map(stripManagedHookEntry)
+            .filter((entry): entry is HookEntry => entry !== null);
         if (hooks[event].length === 0) {
-            // eslint-disable-next-line @typescript-eslint/no-dynamic-delete
-            delete hooks[event];
+            Reflect.deleteProperty(hooks, event);
         }
     }
 }
@@ -63,7 +103,7 @@ export async function syncWidgetHooks(settings: Settings): Promise<void> {
     const claudeSettings = await loadClaudeSettings({ logErrors: false });
     const hooks = (claudeSettings.hooks ?? {}) as Record<string, HookEntry[]>;
 
-    // Remove all ccstatusline-managed hooks
+    // Remove tagged entries and legacy untagged ccstatusline hook commands
     stripManagedHooks(hooks);
 
     const statusCommand = await getExistingStatusLine();