Merge #650: jcode as a run mode

Conflict in skills/codeman/SKILL.md (and its plugin mirror): the list of
modes with neither stop nor blocked gained jcode here and the omp
exception from #798 on the release branch; both are kept.

Co-Authored-By: Claude Fable 5.2 <noreply@anthropic.com>

src/session.ts

@@ -58,6 +58,7 @@ import {
   type PiConfig,
   type GrokConfig,
   type CopilotConfig,
+  type JcodeConfig,
   type DeepSeekConfig,
   type OmpConfig,
   type SessionRemote,
@@ -865,6 +866,8 @@ export class Session extends EventEmitter {
   private _grokConfig: GrokConfig | undefined;
   // GitHub Copilot configuration (only for mode === 'copilot')
   private _copilotConfig: CopilotConfig | undefined;
+  // jcode configuration (only for mode === 'jcode')
+  private _jcodeConfig: JcodeConfig | undefined;
 
   // DeepSeek Harness configuration (only for mode === 'deepseek')
   private _deepSeekConfig: DeepSeekConfig | undefined;
@@ -1004,6 +1007,8 @@ export class Session extends EventEmitter {
       /** Grok configuration (only for mode === 'grok') */
       grokConfig?: GrokConfig;
       copilotConfig?: CopilotConfig;
+      /** jcode configuration (only for mode === 'jcode') */
+      jcodeConfig?: JcodeConfig;
       /** DeepSeek Harness configuration (only for mode === 'deepseek') */
       deepSeekConfig?: DeepSeekConfig;
       /** OMP configuration (only for mode === 'omp') */
@@ -1198,6 +1203,11 @@ export class Session extends EventEmitter {
       this._copilotConfig = config.copilotConfig;
     }
 
+    // Apply jcode configuration
+    if (config.jcodeConfig) {
+      this._jcodeConfig = config.jcodeConfig;
+    }
+
     // Apply env overrides (exported at spawn, not persisted to disk).
     // Legacy migration: pre-0.7.2 carried effort as the CLAUDE_CODE_EFFORT_LEVEL env var,
     // which hard-locks /effort switching. Extract it into _effort (--settings soft default)
@@ -2527,6 +2537,7 @@ export class Session extends EventEmitter {
       piConfig: this._piConfig,
       grokConfig: this._grokConfig,
       copilotConfig: this._copilotConfig,
+      jcodeConfig: this._jcodeConfig,
       deepSeekConfig: this._deepSeekConfig,
       ompConfig: this._ompConfig,
       resumeSessionId: this._resumeSessionId,
@@ -2908,6 +2919,7 @@ export class Session extends EventEmitter {
       piConfig: this._piConfig,
       grokConfig: this._grokConfig,
       copilotConfig: this._copilotConfig,
+      jcodeConfig: this._jcodeConfig,
       deepSeekConfig: this._deepSeekConfig,
       // OMP resolution/pinning does NOT happen here. This object is built
       // EAGERLY — including on every boot-recovery reattach, before anyone
@@ -3426,6 +3438,7 @@ export class Session extends EventEmitter {
             piConfig: this._piConfig,
             grokConfig: this._grokConfig,
             copilotConfig: this._copilotConfig,
+            jcodeConfig: this._jcodeConfig,
             deepSeekConfig: this._deepSeekConfig,
             ompConfig: this._ompConfig,
             resumeSessionId: this._resumeSessionId,
@@ -4009,6 +4022,7 @@ export class Session extends EventEmitter {
       piConfig: this._piConfig,
       grokConfig: this._grokConfig,
       copilotConfig: this._copilotConfig,
+      jcodeConfig: this._jcodeConfig,
       deepSeekConfig: this._deepSeekConfig,
       ompConfig: this._ompConfig,
     };