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/agent/test/agent-loop.test.ts

@@ -5,7 +5,7 @@ import {
   type Message,
   type Model,
   type UserMessage,
-} from "@mariozechner/companion-ai";
+} from "@mariozechner/clanker-ai";
 import { Type } from "@sinclair/typebox";
 import { describe, expect, it } from "vitest";
 import { agentLoop, agentLoopContinue } from "../src/agent-loop.js";

packages/agent/test/agent.test.ts

@@ -3,7 +3,7 @@ import {
   type AssistantMessageEvent,
   EventStream,
   getModel,
-} from "@mariozechner/companion-ai";
+} from "@mariozechner/clanker-ai";
 import { describe, expect, it } from "vitest";
 import { Agent } from "../src/index.js";
 

packages/agent/test/bedrock-models.test.ts

@@ -9,7 +9,7 @@
  *
  * You can run this test suite with:
  * ```bash
- * $ AWS_REGION=us-east-1 BEDROCK_EXTENSIVE_MODEL_TEST=1 AWS_PROFILE=companion npm test -- ./test/bedrock-models.test.ts
+ * $ AWS_REGION=us-east-1 BEDROCK_EXTENSIVE_MODEL_TEST=1 AWS_PROFILE=clanker npm test -- ./test/bedrock-models.test.ts
  * ```
  *
  * ## Known Issues by Category
@@ -21,8 +21,8 @@
  * 5. **Invalid Signature Format**: Model validates signature format (Anthropic newer models).
  */
 
-import type { AssistantMessage } from "@mariozechner/companion-ai";
-import { getModels } from "@mariozechner/companion-ai";
+import type { AssistantMessage } from "@mariozechner/clanker-ai";
+import { getModels } from "@mariozechner/clanker-ai";
 import { describe, expect, it } from "vitest";
 import { Agent } from "../src/index.js";
 import { hasBedrockCredentials } from "./bedrock-utils.js";

packages/agent/test/e2e.test.ts

@@ -3,8 +3,8 @@ import type {
   Model,
   ToolResultMessage,
   UserMessage,
-} from "@mariozechner/companion-ai";
-import { getModel } from "@mariozechner/companion-ai";
+} from "@mariozechner/clanker-ai";
+import { getModel } from "@mariozechner/clanker-ai";
 import { describe, expect, it } from "vitest";
 import { Agent } from "../src/index.js";
 import { hasBedrockCredentials } from "./bedrock-utils.js";