Move the phase entry points into aliased module folders

tests/workflow.test.ts

@@ -86,9 +86,9 @@ test("the source protection script stages immutable action files", async () => {
 
     const path = (await readFile(outputFile, "utf8")).trim().slice(5);
     const files = [
-      "src/prepare.ts",
-      "src/run.ts",
-      "src/post.ts",
+      "src/prepare/index.ts",
+      "src/run/index.ts",
+      "src/post/index.ts",
       "src/runtime/index.ts",
       "src/agents/auth.ts",
       "package.json",
@@ -106,7 +106,7 @@ test("the source protection script stages immutable action files", async () => {
 });
 
 test("module-relative runtime assets exist", async () => {
-  const module = new URL("../src/run.ts", import.meta.url);
+  const module = new URL("../src/run/index.ts", import.meta.url);
   const source = await readFile(module, "utf8");
   const assets = [...source.matchAll(/new URL\("([^"]+)", import\.meta\.url\)/gu)].map(
     ([, asset = ""]) => new URL(asset, module),
@@ -149,7 +149,7 @@ test("CI checks every phase and the root isolation suite", async () => {
 });
 
 test("uses the standard Skills installer without custom discovery", async () => {
-  const runner = await readFile("src/run.ts", "utf8");
+  const runner = await readFile("src/run/index.ts", "utf8");
   assert(runner.includes("skills add obra/superpowers"));
   const removed = await stat("superpowers.ts").then(
     () => false,
@@ -169,7 +169,7 @@ test("does not install Deno", async () => {
 });
 
 test("profile preparation does not receive provider credentials", async () => {
-  const runner = await readFile("src/run.ts", "utf8");
+  const runner = await readFile("src/run/index.ts", "utf8");
   assert(runner.includes("await prepareProfile(profile);"));
   expect(runner.includes("prepareProfile(profile, token)")).toBe(false);
 });