chore: rebrand companion-os to clanker-agent

- Rename all package names from companion-* to clanker-*
- Update npm scopes from @mariozechner to @harivansh-afk
- Rename config directories .companion -> .clanker
- Rename environment variables COMPANION_* -> CLANKER_*
- Update all documentation, README files, and install scripts
- Rename package directories (companion-channels, companion-grind, companion-teams)
- Update GitHub URLs to harivansh-afk/clanker-agent
- Preserve full git history from companion-cloud monorepo

packages/coding-agent/test/compaction-extensions-example.test.ts

@@ -12,8 +12,8 @@ import type {
 describe("Documentation example", () => {
   it("custom compaction example should type-check correctly", () => {
     // This is the example from extensions.md - verify it compiles
-    const exampleExtension = (companion: ExtensionAPI) => {
-      companion.on(
+    const exampleExtension = (clanker: ExtensionAPI) => {
+      clanker.on(
         "session_before_compact",
         async (event: SessionBeforeCompactEvent, ctx) => {
           // All these should be accessible on the event
@@ -63,8 +63,8 @@ describe("Documentation example", () => {
   });
 
   it("compact event should have correct fields", () => {
-    const checkCompactEvent = (companion: ExtensionAPI) => {
-      companion.on("session_compact", async (event: SessionCompactEvent) => {
+    const checkCompactEvent = (clanker: ExtensionAPI) => {
+      clanker.on("session_compact", async (event: SessionCompactEvent) => {
         // These should all be accessible
         const entry = event.compactionEntry;
         const fromExtension = event.fromExtension;