feat(daemon): Persist desired process states and add daemon restart command

ts/daemon/processmanager.ts

@@ -25,6 +25,8 @@ export class ProcessManager extends EventEmitter {
   public processInfo: Map<string, IProcessInfo> = new Map();
   private config: TspmConfig;
   private configStorageKey = 'processes';
+  private desiredStateStorageKey = 'desiredStates';
+  private desiredStates: Map<string, IProcessInfo['status']> = new Map();
   private logger: Logger;
 
   constructor() {
@@ -32,6 +34,7 @@ export class ProcessManager extends EventEmitter {
     this.logger = new Logger('Tspm');
     this.config = new TspmConfig();
     this.loadProcessConfigs();
+    this.loadDesiredStates();
   }
 
   /**
@@ -67,6 +70,7 @@ export class ProcessManager extends EventEmitter {
     });
 
     await this.saveProcessConfigs();
+    await this.setDesiredState(config.id, 'stopped');
     return config.id;
   }
 
@@ -279,6 +283,7 @@ export class ProcessManager extends EventEmitter {
 
       // Save updated configs
       await this.saveProcessConfigs();
+      await this.removeDesiredState(id);
 
       this.logger.info(`Successfully deleted process with id '${id}'`);
     } catch (error: Error | unknown) {
@@ -288,6 +293,7 @@ export class ProcessManager extends EventEmitter {
         this.processConfigs.delete(id);
         this.processInfo.delete(id);
         await this.saveProcessConfigs();
+        await this.removeDesiredState(id);
 
         this.logger.info(
           `Successfully deleted process with id '${id}' after stopping failure`,
@@ -415,6 +421,80 @@ export class ProcessManager extends EventEmitter {
     }
   }
 
+  // === Desired state persistence ===
+  private async saveDesiredStates(): Promise<void> {
+    try {
+      const obj: Record<string, IProcessInfo['status']> = {};
+      for (const [id, state] of this.desiredStates.entries()) {
+        obj[id] = state;
+      }
+      await this.config.writeKey(
+        this.desiredStateStorageKey,
+        JSON.stringify(obj),
+      );
+    } catch (error: any) {
+      this.logger.warn(
+        `Failed to save desired states: ${error?.message || String(error)}`,
+      );
+    }
+  }
+
+  public async loadDesiredStates(): Promise<void> {
+    try {
+      const raw = await this.config.readKey(this.desiredStateStorageKey);
+      if (raw) {
+        const obj = JSON.parse(raw) as Record<string, IProcessInfo['status']>;
+        this.desiredStates = new Map(Object.entries(obj));
+        this.logger.debug(
+          `Loaded desired states for ${this.desiredStates.size} processes`,
+        );
+      }
+    } catch (error: any) {
+      this.logger.warn(
+        `Failed to load desired states: ${error?.message || String(error)}`,
+      );
+    }
+  }
+
+  public async setDesiredState(
+    id: string,
+    state: IProcessInfo['status'],
+  ): Promise<void> {
+    this.desiredStates.set(id, state);
+    await this.saveDesiredStates();
+  }
+
+  public async removeDesiredState(id: string): Promise<void> {
+    this.desiredStates.delete(id);
+    await this.saveDesiredStates();
+  }
+
+  public async setDesiredStateForAll(
+    state: IProcessInfo['status'],
+  ): Promise<void> {
+    for (const id of this.processConfigs.keys()) {
+      this.desiredStates.set(id, state);
+    }
+    await this.saveDesiredStates();
+  }
+
+  public async startDesired(): Promise<void> {
+    for (const [id, config] of this.processConfigs.entries()) {
+      const desired = this.desiredStates.get(id);
+      if (desired === 'online' && !this.processes.has(id)) {
+        try {
+          await this.start(config);
+        } catch (e) {
+          this.logger.warn(
+            `Failed to start desired process ${id}: ${
+              (e as Error)?.message || String(e)
+            }`,
+          );
+        }
+      }
+    }
+  }
+
   /**
    * Load process configurations from config storage
    */
@@ -499,10 +579,12 @@ export class ProcessManager extends EventEmitter {
     this.processes.clear();
     this.processInfo.clear();
     this.processConfigs.clear();
+    this.desiredStates.clear();
 
     // Remove persisted configs
     try {
       await this.config.deleteKey(this.configStorageKey);
+      await this.config.deleteKey(this.desiredStateStorageKey).catch(() => {});
       this.logger.debug('Cleared persisted process configurations');
     } catch (error) {
       // Fallback: write empty list if deleteKey fails for any reason