Snitt 0.7.0

What's Changed

• docs(plans): audit the agent API, and the work it implies by @impressiver in #178
• fix(mcp): refuse string booleans everywhere, and file agent recordings with git context by @impressiver in #179
• feat(mcp): give tool results a machine-readable half (D103) by @impressiver in #180
• feat(mcp): let an agent actually see the frame it recorded by @impressiver in #181
• fix(gate): give each checkout its own test logs by @impressiver in #186
• feat(agent-api): three answers instead of one internal_error (D106) by @impressiver in #182
• feat(agent-api): report dropped vocabulary, and grants before the call (D104) by @impressiver in #183
• feat(agents): give pixels, tidy in one call, one verb per job (D105) by @impressiver in #184
• feat(mcp): caption a demo, and write the narration it captions (D107) by @impressiver in #185
• feat(mcp): let an agent find the recordings it left behind (D108) by @impressiver in #188
• fix(permissions): spend the explanation only once it is answered by @impressiver in #189
• release: 0.7.0 by @impressiver in #190

Full Changelog: v0.6.3...v0.7.0