Merge remote-tracking branch 'origin/master' into feat/web-message-feedback-ui

Adapt to two contract changes master introduced:

- The generated Remote face now wraps every business result in
  RemoteResult, folding carrier failures into an ok:false branch instead
  of rejecting. The controller reads that envelope at its three call
  sites and maps a carrier failure onto the same settled shape the
  controls already render; three specs cover the new branch.
- Client packages split their tsconfig into host and client halves, and
  the host aggregate now compiles any test not named *.client.spec.*.
  Rename this package's specs to the client convention and drop the
  ../connection project reference, which pointed at a solution file that
  no longer carries the client sources.

Keep master's mount loop with its rollback-on-failure in api-remotes and
add messageFeedbackRemote to it.

docs/subsystems/commands.md

@@ -127,7 +127,7 @@ register(definition: CommandDefinition): () => void
  * @param agent - exact receiving agent and scoped-layer key.
  * @returns name-sorted descriptors after scoped shadowing.
  */
-list(agent: Agent): readonly CommandDescriptor[]
+@Remote list(agent: Agent): readonly CommandDescriptor[]
 
 /**
  * Resolve one effective command definition.
@@ -156,12 +156,12 @@ find(agent: Agent, name: string): CommandDefinition | undefined
  * @returns the settled execution (result + lifecycle pairing id), or
  *   `undefined` when syntax or name does not resolve.
  */
-async execute( agent: Agent, line: string, signal: AbortSignal, ): Promise<CommandExecution | undefined>
+@Remote async execute( agent: Agent, line: string, signal: AbortSignal, ): Promise<CommandExecution | undefined>
 ```
 
 Types: [Agent](core.md)
 
-Source: [`packages/interaction/commands/src/index.ts:257`](../../packages/interaction/commands/src/index.ts)
+Source: [`packages/interaction/commands/src/index.ts:225`](../../packages/interaction/commands/src/index.ts)
 
 <a id="commands-events"></a>
 
@@ -183,5 +183,5 @@ A command was registered or unregistered. This is an unfiltered registry notific
 'commands/change'(): void
 ```
 
-Source: [`packages/interaction/commands/src/types.ts:33`](../../packages/interaction/commands/src/types.ts)
+Source: [`packages/interaction/commands/src/types.ts:72`](../../packages/interaction/commands/src/types.ts)
 <!-- END GENERATED cordis-surface -->