Merge remote-tracking branch 'upstream/next' into kimi-runtime-support

# Conflicts:
#	bin/install.js

.changeset/56-retire-legacy-runtime-directory-helpers.md

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+---
+type: Changed
+pr: 802
+---
+Retire the installer's one-off runtime directory helpers (`getGlobalDir`/`getOpencodeGlobalDir`/`getKiloGlobalDir`) and consolidate per-runtime global config-dir resolution onto the single canonical projection `runtime-homes:getGlobalConfigDir`, extended with the `--config-dir` override and the opencode/kilo `*_CONFIG` file-path precedence. Behavior-preserving across all 15 install runtimes. (#56)
+
+<!-- docs-exempt: internal behavior-preserving consolidation of duplicated directory-resolution helpers; no user-facing behavior change -->

.changeset/60-runtime-config-adapter-registry.md

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+---
+type: Changed
+pr: 795
+---
+Make per-runtime config-mutation dispatch in the installer explicit: a new runtime config adapter registry maps each supported runtime to a typed config intent (install surface, shared-settings gate, finish-phase permission writer), and `install()`/`finishInstall()` dispatch by resolved intent instead of inline `runtime === '...'` branching. Behavior-preserving; unknown runtimes now fail loudly. (#60)
+
+<!-- docs-exempt: internal behavior-preserving refactor of bin/install.js config dispatch into a dedicated registry module; no user-facing behavior change -->

.changeset/766-native-claude-plugin-manifest.md

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+---
+type: Added
+pr: 797
+---
+**gsd-core can now be installed as a native Claude Code plugin** — a new `.claude-plugin/plugin.json` manifest enables installing gsd-core via `claude plugin install` or the zero-friction `~/.claude/skills/` auto-load path (`gsd-core@skills-dir`), with slash commands auto-namespaced as `/gsd-core:<command>` (e.g. `/gsd-core:plan-phase`) and lifecycle management via `claude plugin enable|disable|update`. gsd-core's always-on guard and update hooks are wired for the plugin path through `hooks/hooks.json` using `${CLAUDE_PLUGIN_ROOT}`. This is additive — the existing npm / file-copy installer is unchanged.