fix(fs): observe absence before guarded recreation

packages/skill/skill-local/src/index.ts

@@ -136,7 +136,7 @@ export function apply(ctx: Context, config: Config = {}): void {
   ctx.effect(function* () {
     yield async () => { await provider.dispose() }
   }, 'skill-local watcher')
-  ctx.on('fs/observed', (target, _version, actor) => {
+  ctx.on('fs/observed', (target, _observation, actor) => {
     if (mutationToolName(actor) === undefined) return
     provider.observeHostMutation(target.displayPath)
   })

packages/skill/skill-local/tests/skill-local.spec.ts

@@ -496,7 +496,7 @@ describe('LocalSkillProvider', () => {
     ctx.emit(
       'fs/observed',
       { targetKey: path as never, displayPath: path },
-      FsVersion('failed-read'),
+      { kind: 'present', version: FsVersion('failed-read') },
       { name: 'edit' },
     )
     expect(await ctx.skills.snapshot()).toEqual({ skills: [], complete: false })
@@ -526,7 +526,7 @@ describe('LocalSkillProvider', () => {
       ctx.emit(
         'fs/observed',
         { targetKey: path as never, displayPath: path },
-        FsVersion('entry-failure'),
+        { kind: 'present', version: FsVersion('entry-failure') },
         { name: 'write' },
       )
     }
@@ -674,7 +674,7 @@ describe('LocalSkillProvider', () => {
       ctx.emit(
         'fs/observed',
         { targetKey: displayPath as never, displayPath },
-        FsVersion('observed'),
+        { kind: 'present', version: FsVersion('observed') },
         actor,
       )
     }
@@ -689,7 +689,7 @@ describe('LocalSkillProvider', () => {
     ctx.emit(
       'fs/observed',
       { targetKey: path as never, displayPath: path },
-      FsVersion('observed'),
+      { kind: 'present', version: FsVersion('observed') },
       { name: 'edit' },
     )