chore: full technical rename planarchy → capakraken

Complete rename of all technical identifiers across the codebase:

Package names (11 packages):
- @planarchy/* → @capakraken/* in all package.json, tsconfig, imports

Import statements: 277 files, 548 occurrences replaced

Database & Docker:
- PostgreSQL user/db: planarchy → capakraken
- Docker volumes: planarchy_pgdata → capakraken_pgdata
- Connection strings updated in docker-compose, .env, CI

CI/CD:
- GitHub Actions workflow: all filter commands updated
- Test database credentials updated

Infrastructure:
- Redis channel: planarchy:sse → capakraken:sse
- Logger service name: planarchy-api → capakraken-api
- Anonymization seed updated
- Start/stop/restart scripts updated

Test data:
- Seed emails: @planarchy.dev → @capakraken.dev
- E2E test credentials: all 11 spec files updated
- Email defaults: @planarchy.app → @capakraken.app
- localStorage keys: planarchy_* → capakraken_*

Documentation: 30+ .md files updated

Verification:
- pnpm install: workspace resolution works
- TypeScript: only pre-existing TS2589 (no new errors)
- Engine: 310/310 tests pass
- Staffing: 37/37 tests pass

Co-Authored-By: claude-flow <ruv@ruv.net>

packages/api/src/__tests__/estimate-router.test.ts

@@ -3,7 +3,7 @@ import {
   EstimateStatus,
   EstimateVersionStatus,
   SystemRole,
-} from "@planarchy/shared";
+} from "@capakraken/shared";
 import { TRPCError } from "@trpc/server";
 import { describe, expect, it, vi } from "vitest";
 import { estimateRouter } from "../router/estimate.js";
@@ -302,7 +302,7 @@ describe("estimate router", () => {
       const updated = { ...baseEstimate, name: "Updated Name" };
       const auditLogCreate = vi.fn().mockResolvedValue({});
 
-      // The router delegates to @planarchy/application updateEstimateDraft.
+      // The router delegates to @capakraken/application updateEstimateDraft.
       // The application function calls db.estimate.findUnique and then
       // db.estimateVersion.update (among others). We mock the DB calls
       // that the application layer uses under the hood.