fix(native): report missing and non-file PE resource targets as input errors

`inspect_pe_resources` turned every acquisition failure other than
limits and access denial into `artifact_operation_failed` with "Artifact
could not be read or written. Check file access and try again." A
missing path, a directory, a symlink or a path under a regular file got
that advice, although the caller selected a target that cannot be a PE
image.

Map the stable reader's non-regular-file refusal and ENOENT/ENOTDIR to
`AnalysisInputError` issues on `path`, and a file that changed during the
read to `AnalysisArtifactChangedError`, as the sibling EVM carrier read
does. Other I/O failures stay artifact faults.

Co-Authored-By: Claude Opus 5.5 <[email protected]>

src/native/pe/PeResourcesProvider.ts

@@ -5,7 +5,9 @@ import type { ExecutionOptions } from "../../application/AnalysisProvider.js";
 import { ArtifactOperationError } from "../../domain/artifactOperationError.js";
 import {
   AnalysisAccessDeniedError,
+  AnalysisArtifactChangedError,
   AnalysisCancelledError,
+  AnalysisInputError,
   AnalysisResourceConstraintError,
 } from "../../domain/analysisErrorCore.js";
 import type { InspectPeResourcesInput } from "../../domain/native/peResources.js";
@@ -37,47 +39,62 @@ export class PeResourcesProvider implements PeResourcesPort {
         ),
       );
     } catch (cause) {
-      if (options?.signal?.aborted)
-        return err(
-          new AnalysisCancelledError("inspect_pe_resources", { cause }),
-        );
-      if (cause instanceof ArtifactReaderFailure && cause.reason === "limit")
-        return err(
-          new AnalysisResourceConstraintError(
-            "inspect_pe_resources",
-            "memory",
-            cause.message,
-            {
-              max_file_bytes: input.max_file_bytes,
-              max_entries: input.max_entries,
-            },
-            { cause },
-          ),
-        );
-      if (
-        cause instanceof Error &&
-        "code" in cause &&
-        (cause.code === "EACCES" || cause.code === "EPERM")
-      )
-        return err(
-          new AnalysisAccessDeniedError(
-            "inspect_pe_resources",
-            input.path,
-            cause.code,
-            { cause },
-          ),
-        );
-      return err(
-        new ArtifactOperationError(
-          "inspect_pe_resources",
-          cause instanceof ArtifactReaderFailure ? cause.reason : "io",
-          undefined,
-          cause instanceof Error
-            ? cause.message
-            : "PE artifact inspection failed.",
-          { cause },
-        ),
-      );
+      return err(peResourcesFailure(cause, input, options?.signal));
     }
   }
 }
+
+const errorCode = (cause: unknown): unknown =>
+  cause instanceof Error && "code" in cause ? cause.code : undefined;
+
+// A missing or non-regular caller selection is an input error, as for the
+// EVM bytecode carrier read; only other I/O remains an artifact fault.
+const peResourcesFailure = (
+  cause: unknown,
+  input: InspectPeResourcesInput,
+  signal: AbortSignal | undefined,
+) => {
+  const operation = "inspect_pe_resources";
+  if (signal?.aborted) return new AnalysisCancelledError(operation, { cause });
+  const reason = cause instanceof ArtifactReaderFailure ? cause.reason : "io";
+  const message = cause instanceof Error ? cause.message : String(cause);
+  if (reason === "limit")
+    return new AnalysisResourceConstraintError(
+      operation,
+      "memory",
+      message,
+      {
+        max_file_bytes: input.max_file_bytes,
+        max_entries: input.max_entries,
+      },
+      { cause },
+    );
+  if (reason === "path")
+    return new AnalysisInputError(operation, { cause }, [
+      { path: ["path"], reason: "invalid_format", message },
+    ]);
+  if (reason === "integrity")
+    return new AnalysisArtifactChangedError(operation, input.path, message, {
+      cause,
+    });
+  const code = errorCode(cause);
+  if (code === "ENOENT" || code === "ENOTDIR")
+    return new AnalysisInputError(operation, { cause }, [
+      {
+        path: ["path"],
+        reason: "invalid_value",
+        message: `Selected PE image could not be read (${code}): ${input.path}.`,
+      },
+    ]);
+  if (code === "EACCES" || code === "EPERM")
+    return new AnalysisAccessDeniedError(operation, input.path, code, {
+      cause,
+    });
+  return new ArtifactOperationError(
+    operation,
+    reason,
+    undefined,
+    cause instanceof Error ? cause.message : "PE artifact inspection failed.",
+    { cause },
+  );
+};

tests/boundary/filesystem/peResources.test.ts

@@ -6,17 +6,32 @@ import { peResourceFixture } from "../../../src/native/pe/PeResources.fixture.js
 import { createTestTempDirectory } from "../../fixtures/temporaryDirectory.js";
 
 describe("PE resource stable filesystem boundary", () => {
-  it("rejects symlinks, missing files and directories without inventing empty inventory", async () => {
+  it("rejects symlinks, missing files and directories as caller input without inventing empty inventory", async () => {
     const root = await createTestTempDirectory("rea-pe-resource-files-");
     const path = join(root, "image.exe");
     const alias = join(root, "alias.exe");
     await writeFile(path, peResourceFixture().bytes);
     await symlink(path, alias);
     const service = createPeResourcesService();
-    for (const candidate of [root, alias, join(root, "missing.exe")]) {
+    for (const [candidate, reason] of [
+      [root, "invalid_format"],
+      [alias, "invalid_format"],
+      [join(root, "missing.exe"), "invalid_value"],
+      [join(path, "child.exe"), "invalid_value"],
+    ] as const) {
       const result = await service.inspect({ path: candidate });
       if (result.ok) throw new Error("Expected file acquisition failure");
-      expect(result.error._tag).toBe("ArtifactOperationError");
+      expect(result.error).toMatchObject({
+        _tag: "AnalysisInputError",
+        operation: "inspect_pe_resources",
+        issues: [
+          {
+            path: ["path"],
+            reason,
+            message: expect.stringContaining(candidate),
+          },
+        ],
+      });
     }
   });