refactor(runtime): remove legacy embedded libraries

Author: ImperaZim

CHANGELOG.md

@@ -26,8 +26,8 @@ Historical stable notes remain archived in `changelogs/1.3.md` and
   switch <package>` before replacing a standalone, restart after ownership
   changes and validate with doctor/probe commands.
 - Plugin developers should use `depend` only when a library is required at boot,
-  use `softdepend` for optional integrations and avoid treating legacy embedded
-  EasyLibrary classes as permanent APIs.
+  use `softdepend` for optional integrations and avoid treating removed
+  EasyLibrary embedded classes as public APIs.
 - No intentional public API break has been introduced so far for the official
   library namespaces. The current 3.0-dev changes are infrastructure, packaging,
   diagnostics, config source and runtime ownership changes.
@@ -55,18 +55,19 @@ elprobe run <package>
   manager architecture.
 - Kept `EasyLibrary 2.0.0` as the last stable release where the core PHAR
   intentionally shipped the full embedded library family.
-- Kept legacy embedded classes temporarily during 3.0-dev so existing servers
-  do not break before packages, fallback commands and migration docs are ready.
+- Removed legacy embedded official library source from the EasyLibrary 3.x core.
+  Official libs are now provided by package-backed or standalone distributions.
 - Defined the 3.x target model: EasyLibrary core plus official installable
   packages under `plugin_data/EasyLibrary/packages/`.
-- Added `legacy-embedded.enabled=false` as the package-first default gate for
-  old bundled runtime fallbacks. EasyLibrary no longer auto-starts embedded
-  LibCommand, LibPlaceholder, LibTrigger, LibWorld or LibHud fallback pieces
-  unless the operator explicitly enables that legacy escape hatch.
-- Changed command backend selection so embedded LibCommand classes on disk do
-  not automatically unlock the rich command tree. Package-backed or standalone
-  LibCommand still provides the rich backend; otherwise EasyLibrary uses the
+- Removed the old embedded LibCommand, LibPlaceholder, LibTrigger, LibWorld,
+  LibHud, LibPacket, LibForm, LibDB, LibSerializer, LibWindow, LibCustom,
+  LibEnchantment and Agent Bridge source copies from `src/imperazim`.
+- Changed command backend selection so only package-backed or standalone
+  LibCommand unlocks the rich command tree. Otherwise EasyLibrary uses the
   native recovery command.
+- Removed embedded runtime control as a functional feature. `/easylibrary
+  runtime` remains only as a compatibility boundary and points operators toward
+  `/easylibrary packages`.
 
 ### Package manager
 
@@ -216,24 +217,17 @@ elprobe run <package>
   diagnostics during the migration.
 - Added `/easylibrary doctor` as the top-level official library/runtime
   diagnostic summary.
-- Added provider states for standalone, package-backed, embedded runtime,
-  embedded classpath, disabled and missing libraries.
+- Added provider states for standalone, package-backed, historical embedded,
+  disabled and missing libraries.
 
 ### Runtime control absorbed into 3.0-dev
 
 - Absorbed the old internal `2.2.0-dev` runtime-control and standalone
   installer work into the 3.0-dev changelog.
-- Added guarded embedded runtime control for EasyLibrary-owned legacy runtime
-  targets.
-- Added:
-  - `/easylibrary runtime status [runtime]`;
-  - `/easylibrary runtime targets`;
-  - `/easylibrary runtime enable <runtime>`;
-  - `/easylibrary runtime disable <runtime> [confirm]`;
-  - `/easylibrary runtime reload <runtime> [confirm]`.
-- Kept runtime control limited to EasyLibrary-owned embedded runtimes.
-- Standalone plugins managed by PMMP are not stopped or hot-reloaded by
-  EasyLibrary runtime commands.
+- The guarded embedded runtime control commands were added during early
+  migration, then superseded after the legacy embedded source was removed.
+- Runtime lifecycle changes now go through package operations and PMMP
+  restarts, not embedded runtime start/stop commands.
 - Kept the legacy `/easylibrary libs install <library> [channel] [confirm]`
   command as a compatibility standalone PHAR installer while the 3.x package
   manager becomes the preferred path.
@@ -242,8 +236,8 @@ elprobe run <package>
 
 - Added command provider diagnostics to `/easylibrary doctor`.
 - EasyLibrary reports whether `imperazim\command\Command` comes from
-  package-backed `LibCommand`, standalone `LibCommand`, legacy embedded source
-  or an unknown/missing provider.
+  package-backed `LibCommand`, standalone `LibCommand` or an unknown/missing
+  provider.
 - Added `CommandClassAvailability` as the shared runtime check for rich
   LibCommand classes and legacy command hooks.
 - Added `CommandProviderResolver` and `CommandBackendResolver`.
@@ -262,8 +256,8 @@ elprobe run <package>
   - `/easylibrary packages install <package> [channel] [confirm]`;
   - `/easylibrary packages repair <package|all> [confirm]`;
   - `/easylibrary packages cleanup [confirm]`.
-- Embedded LibCommand hook calls are guarded so future builds without embedded
-  command classes can still reach package recovery commands.
+- Missing LibCommand providers fall back to a native PMMP recovery command so
+  operators can still install or repair the package-backed command provider.
 
 ### Runtime inventory commands
 
@@ -309,11 +303,10 @@ elprobe run <package>
 
 ### Runtime compatibility hardening
 
-- `LibraryModules` now checks whether LibPlaceholder, LibTrigger and LibWorld
-  runtime classes are available before starting or stopping legacy embedded
-  runtimes.
-- Embedded Placeholder and World command registries are optional when rich
-  LibCommand commands are unavailable.
+- `LibraryModules` now acts as a compatibility boundary for removed embedded
+  runtimes and points operators toward package-backed or standalone providers.
+- Placeholder and World command registries live in their respective package or
+  standalone repositories, not in the EasyLibrary core.
 - `PluginToolkit::getDatabase()` now fails with a controlled plugin exception
   when LibDB/`DBManager` is unavailable.
 - `LibraryStatusService` checks manager availability before reading embedded
@@ -341,5 +334,6 @@ elprobe run <package>
 - Proxy folders under `plugins/` are still required when PMMP plugin identity
   must satisfy `depend`, `softdepend`, `/pl` and `getPlugin()`.
 - Config Split currently covers `package-manager` and `library-installer`.
-- Legacy embedded classes still exist during migration and must be audited
-  before the stable `3.0.0` release.
+- Legacy embedded source has been removed from the EasyLibrary core. Remaining
+  3.0-dev hardening should focus on package lifecycle, docs/wiki and release
+  validation.