fix(core): include underlying reason in ripgrep execution failures

.changeset/ripgrep-error-detail.md

@@ -0,0 +1,5 @@
+---
+"@kilocode/cli": patch
+---
+
+Include the underlying reason in search execution failures instead of showing a bare "ripgrep execution failed" message.

packages/core/src/ripgrep.ts

@@ -165,11 +165,13 @@ export const layer = Layer.effect(
       )
       const abortable = input.signal ? program.pipe(Effect.raceFirst(waitForAbort(input.signal))) : program
       return abortable.pipe(
-        Effect.mapError((cause) =>
-          cause instanceof Error || cause instanceof InvalidPatternError
-            ? cause
-            : failure("ripgrep execution failed", cause),
-        ),
+        // kilocode_change start - surface the underlying reason instead of a bare wrapper message
+        Effect.mapError((cause) => {
+          if (cause instanceof Error || cause instanceof InvalidPatternError) return cause
+          const detail = cause instanceof globalThis.Error && cause.message.trim() ? `: ${cause.message.trim()}` : ""
+          return failure(`ripgrep execution failed${detail}`, cause)
+        }),
+        // kilocode_change end
       )
     }
 

packages/core/test/ripgrep.test.ts

@@ -61,4 +61,18 @@ describe("Ripgrep", () => {
       (tmp) => Effect.promise(() => tmp[Symbol.asyncDispose]()),
     ),
   )
+
+  // kilocode_change start - surfaced error keeps the underlying reason
+  it.live("includes the underlying reason in execution failures", () =>
+    Effect.gen(function* () {
+      const ripgrep = yield* Ripgrep.Service
+      const controller = new AbortController()
+      controller.abort()
+      const error = yield* ripgrep
+        .find({ cwd: process.cwd(), pattern: "*", limit: 1, signal: controller.signal })
+        .pipe(Effect.flip)
+      expect(error.message).toMatch(/^ripgrep execution failed: .+/)
+    }),
+  )
+  // kilocode_change end
 })