iii/v0.24.0

## What's Changed
* docs(install): install from the harness template by @anthonyiscoding in https://github.com/iii-hq/iii/pull/2117
* docs(install): no-llm base template, wrap --flags, bring to docs/ by @anthonyiscoding in https://github.com/iii-hq/iii/pull/2118
* docs(install): add providers with compose::add, not worker-compose edits by @anthonyiscoding in https://github.com/iii-hq/iii/pull/2122
* docs(quickstart): remove intro video by @anthonyiscoding in https://github.com/iii-hq/iii/pull/2123
* fix(telemetry): case-insensitive III_TELEMETRY_ENABLED opt-out + docs by @anthonyiscoding in https://github.com/iii-hq/iii/pull/2120
* docs(welcome): remove intro video by @anthonyiscoding in https://github.com/iii-hq/iii/pull/2124
* docs(changelog): add 0.23 release notes by @guibeira in https://github.com/iii-hq/iii/pull/2126
* fix(compose): preserve local dependency workers by @guibeira in https://github.com/iii-hq/iii/pull/2130
* Remove inaccurate 'worker mesh' framing of iii by @anthonyiscoding in https://github.com/iii-hq/iii/pull/2128
* feat(compose): publish reliable mutation completion events by @mfpiccolo in https://github.com/iii-hq/iii/pull/2129
* docs(upgrading): add a coding-agent prompt for the Compose migration by @rohitg00 in https://github.com/iii-hq/iii/pull/2121
* feat(compose): include namespace in Linux process names by @guibeira in https://github.com/iii-hq/iii/pull/2144
* feat(compose): support full container settings in compose::add by @guibeira in https://github.com/iii-hq/iii/pull/2143
* fix(engine): register function-path triggers in the caller's namespace by @andersonleal in https://github.com/iii-hq/iii/pull/2145
* feat(compose): show engine and container startup progress by @guibeira in https://github.com/iii-hq/iii/pull/2149
* feat(compose): update all package workers when no worker is specified by @guibeira in https://github.com/iii-hq/iii/pull/2148
* (MOT-4728) fix(observability): bound the hot span cache and cap traced payloads by @andersonleal in https://github.com/iii-hq/iii/pull/2154
* (MOT-4724) fix(engine): keep read-only observability builtins in engine::functions::list by @andersonleal in https://github.com/iii-hq/iii/pull/2151
* fix(compose): keep declared dependency pins on add, no Gone noise on restart, stop refuses a container by @andersonleal in https://github.com/iii-hq/iii/pull/2150
* MOT-4683: docs(linkly): split the tutorial into Agentic and Exploration paths by @anthonyiscoding in https://github.com/iii-hq/iii/pull/2113
* MOT-4730: fix(compose): store runtime state beside the project by @guibeira in https://github.com/iii-hq/iii/pull/2162
* feat(compose): warn on worker aliases and reuse canonical dependencies by @guibeira in https://github.com/iii-hq/iii/pull/2163
* fix(compose): retry a spawn that fails with ETXTBSY by @andersonleal in https://github.com/iii-hq/iii/pull/2164
* (MOT-4733) fix(engine): return freed heap to the OS after span bursts by @andersonleal in https://github.com/iii-hq/iii/pull/2161
* (MOT-4732) fix(engine): forward a null function result as null, not as no result by @andersonleal in https://github.com/iii-hq/iii/pull/2159
* (MOT-4725) docs(linkly): pin the Ch. 4 analytics table name in the agentic prompt by @andersonleal in https://github.com/iii-hq/iii/pull/2160
* fix: route Vercel security checks through the docs origin by @ytallo in https://github.com/iii-hq/iii/pull/2165
* feat(compose): add package resolution lockfile by @guibeira in https://github.com/iii-hq/iii/pull/2146
* feat(compose): add optional containers and restart policies by @guibeira in https://github.com/iii-hq/iii/pull/2134
* feat(compose): show worker restart time in terminal feedback by @guibeira in https://github.com/iii-hq/iii/pull/2170
* fix(compose): prevent duplicated startup progress by @guibeira in https://github.com/iii-hq/iii/pull/2169
* (MOT-4712) fix(worker): accept the Registry's `license` key in iii.worker.yaml when `base_image` is set by @anthonyiscoding in https://github.com/iii-hq/iii/pull/2166
* fix(compose): let III_URL select the engine, as --engine does by @anthonyiscoding in https://github.com/iii-hq/iii/pull/2173
* (MOT-4761) fix(compose): a terminal operation event stops claiming a dead worker is ready by @andersonleal in https://github.com/iii-hq/iii/pull/2176
* feat(compose): show startup download progress by @guibeira in https://github.com/iii-hq/iii/pull/2175
* (MOT-4725) docs(linkly): the Ch. 6 client must run with no arguments by @andersonleal in https://github.com/iii-hq/iii/pull/2181
* fix(worker): publish lean runtime and builder Docker images by @ytallo in https://github.com/iii-hq/iii/pull/2182
* (MOT-4712) feat(project): `iii project init --learn-iii` and a tour prompt in install.sh by @anthonyiscoding in https://github.com/iii-hq/iii/pull/2156
* fix(cli): honor III_URL in iii trigger by @anthonyiscoding in https://github.com/iii-hq/iii/pull/2167
* fix(compose): find workers after YAML comments by @guibeira in https://github.com/iii-hq/iii/pull/2185
* fix(compose): resolve package metadata concurrently by @guibeira in https://github.com/iii-hq/iii/pull/2186
* Enhance README with CODER explanation and installation steps by @anthonyiscoding in https://github.com/iii-hq/iii/pull/2171
* feat(telemetry): report each completed onboarding tour step by @anthonyiscoding in https://github.com/iii-hq/iii/pull/2184
* (GH-47) fix(compose): replace a variant mapping when config_override changes its name by @andersonleal in https://github.com/iii-hq/iii/pull/2188
* fix(compose): preserve env_file values for blank environment entries by @guibeira in https://github.com/iii-hq/iii/pull/2191
* fix(worker): support bundled worker on Alpine musl (MOT-4783) by @guibeira in https://github.com/iii-hq/iii/pull/2192
* fix(compose): make startup cancellable with Ctrl+C by @guibeira in https://github.com/iii-hq/iii/pull/2190
* fix(install): accept a single keypress at the harness tour prompt by @anthonyiscoding in https://github.com/iii-hq/iii/pull/2189
* feat(install): add --start-with, --need-envs and --skip-bin-download to the setup offer (MOT-4806) by @anthonyiscoding in https://github.com/iii-hq/iii/pull/2195
* docs(install): document the installer options by @anthonyiscoding in https://github.com/iii-hq/iii/pull/2199


**Full Changelog**: https://github.com/iii-hq/iii/compare/iii/v0.23.0...iii/v0.24.0