Release v0.27.16

What's Changed

• feat(mods): expose secrets to tool invocations by @carenthomas in #3058
• feat(mods): add npm package update command by @carenthomas in #3055
• feat(worktree): auto-provision, enter, and lock worktrees in CreateWorktree by @devanshrj in #3046
• feat(mods): support GitHub package installs by @carenthomas in #3062
• fix(desktop): use selected provider for toolset refresh by @jnjpng in #3067
• ci(sync-tools): add typecheck step to sync workflow prompt by @overlord-letta in #3072
• feat(mods): add result effect to tool_start event by @carenthomas in #3074
• feat(mods): add git package update support by @carenthomas in #3075
• chore: bump version to 0.27.16 by @github-actions[bot] in #3078

Full Changelog: v0.27.15...v0.27.16