v0.12.0

What's Changed

• feat(cloud): add keyring-backed 'mc cloud key' commands and gmi extra (#151) by @luongnv89 in #155
• feat(cloud): add mc cloud smoke harness for free MiniMax models (#152) by @luongnv89 in #156
• docs(minimax-week): log Day 3 Pre.3 eligibility question as pending (#153) by @luongnv89 in #157
• docs(h3): add H3 go/no-go decision as DEFER (#154) by @luongnv89 in #158
• feat(studio): define CreativePlan, Constitution, ProjectManifest, PlanDiff schemas (#132) by @luongnv89 in #159
• feat(cloud): add GMI/OpenRouter adapters with retries and cache (#133) by @luongnv89 in #160
• feat(cloud): add mc cloud ping and keyring-backed secrets module (#134) by @luongnv89 in #161
• feat(studio): add M3Director with plan, critique, and revise (#135) by @luongnv89 in #162
• feat(studio): add trace writer and mc studio project layout (#136) by @luongnv89 in #163
• feat(studio): add MusicNode and SpeechNode with Node protocol (#137) by @luongnv89 in #164
• feat(studio): add MixNode and SRT caption generation (#138) by @luongnv89 in #165
• feat(studio): add mc studio build and first audio-only premiere (#139) by @luongnv89 in #166
• feat(studio): add H3 VideoNode with budget guard (#140) by @luongnv89 in #167
• feat(studio): compose video scenes with xfade transitions (#141) by @luongnv89 in #168
• feat(studio): implement asset locking and node dependency graph (#142) by @luongnv89 in #169
• feat(studio): add 'mc studio revise' subcommand with plan-diff and partial rebuild (#143) by @luongnv89 in #170
• feat(studio): add --from-playlist taste profile (#144) by @luongnv89 in #171
• feat(studio): add mc studio doctor checks and recovery messages (#145) by @luongnv89 in #172
• feat(studio): add CHALLENGE.md, pipx install recipe, and fix doctor for base installs (#146) by @luongnv89 in #173
• feat: feature freeze verification for P6.4 by @luongnv89 in #174
• docs: video recording plan and demo script for P7.1 by @luongnv89 in #175
• docs: submission checklist and pre-filled form data for P7.2 by @luongnv89 in #176
• docs: buffer day tracking template for P7.3 by @luongnv89 in #177
• feat(studio): fix GMI API integration and add e2e tests for Epic 131 by @luongnv89 in #178
• feat(radio): expand bundled stations to 100 verified streams by @luongnv89 in #180
• chore(docs): remove MiniMax Week plan material by @luongnv89 in #184
• fix(studio): resolve ruff format and F841 lint drift (#182) by @luongnv89 in #185

Full Changelog: v0.11.0...v0.12.0