Merge branch 'next' into feat/1279-fail-first-prover

.changeset/1297-worktree-metadata.md

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+---
+type: Fixed
+pr: 1349
+---
+
+**Parallel worktree execution now has executor-authored cleanup metadata** — executor agents capture their worktree path, branch, and expected base before task commits and return a parseable metadata block for execute-phase to prefer over runtime harness metadata. (#1297)

.changeset/1300-uat-paused-checkpoint.md

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+---
+type: Fixed
+pr: 1350
+---
+
+**UAT resume now accepts paused checkpoints** — `uat render-checkpoint` treats a non-structured paused `Current Test` placeholder as a resume signal and derives the checkpoint from the first pending UAT test instead of failing as malformed. (#1300)

.changeset/1316-state-prose-phase-name.md

@@ -0,0 +1,6 @@
+---
+type: Fixed
+pr: 1351
+---
+
+**`phase complete` now preserves prose-block STATE phase names** — template-shaped `Current Position` prose now advances with the next phase name, avoids missing-field warnings, and keeps `Last activity:` on the template em-dash delimiter. (#1316)

.changeset/1319-claude-skill-effort-max.md

@@ -0,0 +1,6 @@
+---
+type: Fixed
+pr: 1352
+---
+
+**Claude skill installs now avoid rejected `xhigh` effort frontmatter** — heavyweight GSD skills now ship with portable `effort: max`, and the Claude skill converter normalizes any remaining `xhigh` source effort before writing `SKILL.md`. (#1319)

.changeset/eager-ravens-dart.md

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+---
+type: Fixed
+pr: 1347
+---
+**Quick worktree execution now accepts parent-or-plan bases for pre-dispatch plan commits** — quick mode records the parent and plan commit around the pre-dispatch PLAN.md commit, lets the worktree guard accept either approved base, materializes the plan from git objects when a runtime forks from the parent, and teaches cleanup to validate the same allowed-base set. (#1265)