From 8165126101bde600c6e8efbc0d407d6872ac8c7d Mon Sep 17 00:00:00 2001
From: neken <neken@users.noreply.github.com>
Date: Fri, 10 Apr 2026 18:27:39 +0500
Subject: [PATCH] fix: add debug logging, fix non-ascii dash in system prompt

---
 src/services/claude.ts | 29 +++++++++++++++++++++++++----
 1 file changed, 25 insertions(+), 4 deletions(-)

diff --git a/src/services/claude.ts b/src/services/claude.ts
index 97e7982..b03ff96 100644
--- a/src/services/claude.ts
+++ b/src/services/claude.ts
@@ -13,6 +13,9 @@ interface CliJsonResult {
 
 function runClaude(args: string[], cwd: string): Promise<string> {
   return new Promise((resolve, reject) => {
+    console.log(`[claude] Running: npx claude-code ${args.join(" ")}`);
+    console.log(`[claude] CWD: ${cwd}`);
+
     const proc = spawn("npx", ["--yes", "@anthropic-ai/claude-code", ...args], {
       cwd,
       shell: true,
@@ -31,6 +34,10 @@ function runClaude(args: string[], cwd: string): Promise<string> {
     });
 
     proc.on("close", (code: number | null) => {
+      console.log(`[claude] Exit code: ${code}`);
+      console.log(`[claude] Stdout length: ${stdout.length}`);
+      if (stderr) console.log(`[claude] Stderr: ${stderr.slice(0, 500)}`);
+
       if (code !== 0 && !stdout) {
         reject(new Error(stderr || `claude exited with code ${code}`));
       } else {
@@ -38,11 +45,14 @@ function runClaude(args: string[], cwd: string): Promise<string> {
       }
     });
 
-    proc.on("error", reject);
+    proc.on("error", (err) => {
+      console.error(`[claude] Spawn error:`, err);
+      reject(err);
+    });
   });
 }
 
-const APPEND_PROMPT = "Always respond in Russian. You are a helpful coding assistant connected via Telegram. Engage fully with user requests — analyze, suggest, implement. Never ask the user to repeat or clarify when the request is clear enough to act on.";
+const APPEND_PROMPT = "Always respond in Russian. You are a helpful coding assistant connected via Telegram. Engage fully with user requests - analyze, suggest, implement. Never ask the user to repeat or clarify when the request is clear enough to act on.";
 
 export class ClaudeService {
   async createSession(prompt: string, cwd: string): Promise<ClaudeResult> {
@@ -51,7 +61,11 @@ export class ClaudeService {
       cwd,
     );
 
-    const parsed = JSON.parse(raw.trim().split("\n").pop()!) as CliJsonResult;
+    const lastLine = raw.trim().split("\n").pop()!;
+    console.log(`[claude] createSession raw last line (first 300 chars): ${lastLine.slice(0, 300)}`);
+    const parsed = JSON.parse(lastLine) as CliJsonResult;
+    console.log(`[claude] createSession result: "${parsed.result?.slice(0, 200)}"`);
+    console.log(`[claude] createSession session_id: ${parsed.session_id}`);
 
     return {
       sessionId: parsed.session_id ?? "",
@@ -60,12 +74,19 @@ export class ClaudeService {
   }
 
   async sendMessage(prompt: string, sessionId: string, cwd: string): Promise<string> {
+    console.log(`[claude] sendMessage prompt: "${prompt.slice(0, 100)}"`);
+    console.log(`[claude] sendMessage sessionId: ${sessionId}`);
+
     const raw = await runClaude(
       ["-p", prompt, "--output-format", "json", "--resume", sessionId, "--dangerously-skip-permissions", "--append-system-prompt", APPEND_PROMPT],
       cwd,
     );
 
-    const parsed = JSON.parse(raw.trim().split("\n").pop()!) as CliJsonResult;
+    const lastLine = raw.trim().split("\n").pop()!;
+    console.log(`[claude] sendMessage raw last line (first 300 chars): ${lastLine.slice(0, 300)}`);
+    const parsed = JSON.parse(lastLine) as CliJsonResult;
+    console.log(`[claude] sendMessage result: "${parsed.result?.slice(0, 200)}"`);
+
     return parsed.result ?? "";
   }
 }