config: require schema assertion on main

web/workspace/test/config-source/editor-state.test.ts

@@ -80,7 +80,7 @@ Deno.test("Decodal editor follows readonly prop changes after mount", async () =
   );
 });
 
-Deno.test("main config wrapper is an explicit canonical draft conversion", async () => {
+Deno.test("main entrypoint always enables the fixed schema wrapper", async () => {
   const source = await Deno.readTextFile(
     new URL(
       "../../src/lib/workspace/config-source/ConfigSourceEditor.svelte",
@@ -89,15 +89,12 @@ Deno.test("main config wrapper is an explicit canonical draft conversion", async
   );
 
   assert(
-    source.includes("Wrap with WorkspaceConfigSchema") &&
-      source.includes("wrapMainWithWorkspaceSchema") &&
-      source.includes("fixedSchemaWrapper={mainSchemaWrapped}"),
-    "legacy main sources should offer an explicit conversion before fixed wrapper mode is enabled",
+    source.includes("fixedSchemaWrapper={mainSelected}"),
+    "main.dcdl should always enable fixed wrapper behavior",
   );
   assert(
-    source.includes("source.trim()") &&
-      source.includes("toolchain.format") &&
-      source.includes("wrapper staged. Preview and Commit"),
-    "conversion should remain a formatted local draft until the normal commit flow",
+    !source.includes("Wrap with WorkspaceConfigSchema") &&
+      !source.includes("wrapMainWithWorkspaceSchema"),
+    "the authoritative main source should not require an optional client-side conversion",
   );
 });

web/workspace/test/config-source/wasm-parity.test.ts

@@ -81,6 +81,12 @@ const contract: ToolchainContract = {
   ),
 };
 
+const mainEntrypointContract: ToolchainContract = {
+  ...contract,
+  entrypoints: ["main.dcdl"],
+  fingerprint: await toolchainFingerprint(["main.dcdl"], emptySchemaBundle),
+};
+
 Deno.test("generated WASM evaluates the same virtual import contract", () => {
   const result = evaluate_snapshot(snapshot, contract) as {
     projections: Array<{ data_json: { answer: number } }>;
@@ -88,6 +94,27 @@ Deno.test("generated WASM evaluates the same virtual import contract", () => {
   assertEquals(result.projections[0].data_json, { answer: 42 });
 });
 
+Deno.test("generated WASM accepts the mandatory main schema assertion", () => {
+  const assertedSnapshot: ConfigTreeSnapshot = {
+    revision: 1,
+    digest: "sha256:asserted-main",
+    entries: {
+      "main.dcdl": {
+        path: "main.dcdl",
+        content_type: "decodal",
+        content: "{ answer = 42; } as WorkspaceConfigSchema\n",
+        content_digest: "sha256:asserted-main-entry",
+      },
+    },
+  };
+  const result = evaluate_snapshot(
+    assertedSnapshot,
+    mainEntrypointContract,
+  ) as { projections: Array<{ data_json: { answer: number } }> };
+
+  assertEquals(result.projections[0].data_json, { answer: 42 });
+});
+
 Deno.test("generated WASM diagnostics carry snapshot provenance", () => {
   const diagnostics = analyze_snapshot(
     snapshot,