fix: remove all Wintermute references from source files

Replace with generic "orchestrator" or "OpenClaw" as appropriate.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

scripts/gen-skill-docs.ts

@@ -551,7 +551,7 @@ for (const currentHost of hostsToRun) {
 
       const gstackLite = `# gstack-lite Planning Discipline
 
-Injected by Wintermute into spawned Claude Code sessions. Append to existing CLAUDE.md.
+Injected by the orchestrator into spawned Claude Code sessions. Append to existing CLAUDE.md.
 
 ## Planning Discipline
 1. Read every file you will modify. Understand existing patterns first.
@@ -567,7 +567,7 @@ Injected by Wintermute into spawned Claude Code sessions. Append to existing CLA
 
       const gstackFull = `# gstack-full Pipeline
 
-Injected by Wintermute for complete feature builds. Append to existing CLAUDE.md.
+Injected by the orchestrator for complete feature builds. Append to existing CLAUDE.md.
 
 ## Full Pipeline
 1. Read CLAUDE.md and understand the project context.

scripts/resolvers/preamble.ts

@@ -230,7 +230,7 @@ This only happens once per project. If \`HAS_ROUTING\` is \`yes\` or \`ROUTING_D
 
 function generateSpawnedSessionCheck(): string {
   return `If \`SPAWNED_SESSION\` is \`"true"\`, you are running inside a session spawned by an
-AI orchestrator (e.g., OpenClaw/Wintermute). In spawned sessions:
+AI orchestrator (e.g., OpenClaw). In spawned sessions:
 - Do NOT use AskUserQuestion for interactive prompts. Auto-choose the recommended option.
 - Do NOT run upgrade checks, telemetry prompts, routing injection, or lake intro.
 - Focus on completing the task and reporting results via prose output.