Codex/whe 15 bootstrap workspace (#1)

* feat(WHE-15): bootstrap bun workspace with app and package scaffolds

* chore(WHE-17): switch workspace typecheck to tsgo

* chore(WHE-16): configure oxlint and oxfmt no-semicolon style

* chore: address CodeRabbit review feedback

* chore: apply coderabbit fixes and add review script

* docs: add ADR decision metadata

docs/specs/README.md

@@ -3,9 +3,11 @@
 Each implementation ticket should have one spec file in `docs/specs/`.
 
 ## Naming
+
 Use `HOUSEBOT-<id>-<slug>.md`.
 
 Example:
+
 - `HOUSEBOT-001-monorepo-bootstrap.md`
 
 ## Spec Template
@@ -14,53 +16,67 @@ Example:
 # <Title>
 
 ## Summary
+
 Short description of the feature and user value.
 
 ## Goals
+
 - ...
 
 ## Non-goals
+
 - ...
 
 ## Scope
+
 - In: ...
 - Out: ...
 
 ## Interfaces and Contracts
+
 - Commands/events/APIs involved.
 - Input and output schemas.
 
 ## Domain Rules
+
 - Business constraints and invariants.
 
 ## Data Model Changes
+
 - Tables, fields, indexes, migrations.
 
 ## Security and Privacy
+
 - Auth, authorization, PII handling, abuse prevention.
 
 ## Observability
+
 - Required logs, metrics, traces, and alerts.
 
 ## Edge Cases and Failure Modes
+
 - Invalid input
 - External service failures
 - Duplicate/retry behavior
 
 ## Test Plan
+
 - Unit:
 - Integration:
 - E2E:
 
 ## Acceptance Criteria
+
 - [ ] ...
 - [ ] ...
 
 ## Rollout Plan
+
 - Feature flags / staged rollout / backout plan.
 ```
 
 ## Definition of Done
+
 - Spec exists and matches implementation.
 - Code follows architecture boundaries.
 - Tests for new behavior are included and passing.
@@ -69,6 +85,7 @@ Short description of the feature and user value.
 - No TODOs without linked follow-up ticket.
 
 ## Boundary Rules (Hexagonal)
+
 - `packages/domain` must not import framework/DB/HTTP code.
 - `packages/application` depends only on domain + ports/contracts.
 - `packages/adapters-*` implement ports and may depend on external SDKs.