feat(analyst): type every agent improvement surface

[drewstone]

Problem

Trace findings could not represent MCP, hooks, subagents, workflows, rollout policy, whole-profile, or code recommendations. The analyst prompts also carried duplicated subject grammars that could drift from parser policy.

Solution

• Add typed subjects and deterministic policy routing for every AgentProfile and code surface.
• Generate each analyst prompt grammar from the same declarative syntax used by parsing and validation.
• Fail loudly on unknown subject kinds.
• Upgrade the direct agent-interface dependency to 0.22.0.

Proof

• pnpm typecheck
• pnpm build
• pnpm verify:package
• pnpm test: 2,780 passed, 2 skipped
• independent adversarial review: APPROVE; 104 affected tests passed
• clean merge tree against current origin/main