Added the following changes to the codebase:

ai_functions.py

@@ -30,20 +30,23 @@ async def _openai_call(messages, model, temperature=0.2):
     Responses API dla 4o/4.1*, fallback Chat Completions dla gpt-3.5-turbo.
     Zwraca czysty string odpowiedzi.
     """
+    logger = logging.getLogger("discord")
 
     if model.startswith("gpt-3.5"):
+        logger.debug("3.5")
         # legacy path – bez zmian w Twoim kodzie wyżej/niżej
-        def _sync_call():
         resp = OPENAICLIENT.chat.completions.create(
             model=model,
             messages=messages,
             temperature=temperature,
         )
-            return resp.choices[0].message.content.strip()
-        return await asyncio.to_thread(_sync_call)
+        result = ""
+        for choice in resp.choices:
+            result += choice.message.content
+        return result.strip()
 
+    else:
     # Responses API (zalecane dla 4o/4.1*)
-    def _sync_resp():
         resp = OPENAICLIENT.responses.create(
             model=model,
             temperature=temperature,
@@ -51,7 +54,6 @@ async def _openai_call(messages, model, temperature=0.2):
         )
         # SDK zapewnia output_text dla zwykłych odpowiedzi
         return (getattr(resp, "output_text", None) or "").strip() or str(resp)
-    return await asyncio.to_thread(_sync_resp)
 
 
 def create_vector_store():
@@ -302,9 +304,6 @@ async def handle_response(
     result = ""
     logger.debug("Odpowiedzi")
     logger.info(response)
-    logger.debug(response.choices)
-    for choice in response.choices:
-        result += choice.message.content
     logger.info("Sformatowane odpowiedzi")
     logger.info(result)
     temp = {"role": "assistant", "content": result}

latex_commands.py

@@ -0,0 +1,132 @@
+# latex_commands.py
+# -*- coding: utf-8 -*-
+from __future__ import annotations
+import io
+from typing import Optional, List
+
+import discord
+from discord import app_commands
+from discord.ext import commands
+
+from constants import (
+    LATEX_TEX_ENGINE, LATEX_MAX_COMPILE_SECONDS, LATEX_MAX_ATTACH_MB, LATEX_MAX_ZIP_MB,
+    OPENAI_API_KEY, OPENAI_MODEL, LATEX_ALLOWED_ROLES, LATEX_GUILD_ID
+)
+from latex_functions import (
+    is_tex_attachment, compile_single_tex_bytes, compile_zip_to_zip, ask_openai_diagnosis
+)
+
+class LatexModule(commands.Cog):
+    def __init__(self, bot: commands.Bot, logger_name: str):
+        self.bot = bot
+        import logging
+        self.logger = logging.getLogger(logger_name)
+
+    # -------- /tex (PDF + diagnoza; log -> debug logger) --------
+    @commands.hybrid_command(
+        nsfw=False,
+        name="tex",
+        description="Kompiluje załączone .tex; PDF-y odsyła. Błędy: diagnoza z OpenAI.",
+        guild=None if LATEX_GUILD_ID is None else discord.Object(id=LATEX_GUILD_ID),
+    )
+    @commands.has_any_role(*LATEX_ALLOWED_ROLES)
+    async def tex(self, ctx: commands.Context, include_source_excerpt: Optional[bool] = True):
+        ch = ctx.message.channel
+        async with ch.typing():
+            atts = [a for a in (ctx.message.attachments or []) if is_tex_attachment(a, LATEX_MAX_ATTACH_MB)]
+            if not atts:
+                return await ctx.reply(f"Dołącz .tex (≤{LATEX_MAX_ATTACH_MB} MiB).", mention_author=False)
+
+            files: List[discord.File] = []
+            parts: List[str] = []
+            for att in atts:
+                try:
+                    data = await att.read()
+                    res = await compile_single_tex_bytes(data, att.filename, LATEX_TEX_ENGINE, LATEX_MAX_COMPILE_SECONDS, logger=self.logger)
+                    self.logger.debug("LaTeX log (%s)\n%s", att.filename, (res["log_text"] or "")[-2000:])
+                    if res["ok"] and res["pdf_bytes"]:
+                        b = io.BytesIO(res["pdf_bytes"])
+                        b.seek(0)
+                        b.name = res["pdf_name"]
+                        files.append(discord.File(b, filename=res["pdf_name"]))
+                        parts.append(f"✅ `{att.filename}` → `{res['pdf_name']}`")
+                    else:
+                        excerpt = ""
+                        if include_source_excerpt:
+                            try:
+                                excerpt = data.decode("utf-8", errors="ignore")[:4000]
+                            except Exception:
+                                excerpt = ""
+                                advice = await ask_openai_diagnosis(res["log_text"] or "", excerpt, OPENAI_API_KEY, OPENAI_MODEL, logger=self.logger)
+                                parts.append(f"❌ `{att.filename}` — błąd kompilacji.\nDiagnoza:\n{advice}")
+                except Exception as e:
+                    self.logger.debug("Exception %s: %s", att.filename, e)
+                    parts.append(f"⚠️ `{att.filename}` — wyjątek (szczegóły w logu).")
+
+            content = f"**LaTeX** — {len(atts)} plik(ów). Model: `{OPENAI_MODEL}`\n\n" + "\n\n".join(parts)
+            await ctx.reply(content if len(content)<1900 else content[:1900]+"…", files=files, mention_author=False)
+
+    # -------- /latexclean (PDF only; log -> debug logger) --------
+    @commands.hybrid_command(
+        nsfw=False,
+        name="latexclean",
+        description="Kompiluje .tex i odsyła TYLKO PDF (log w debug).",
+        guild=None if LATEX_GUILD_ID is None else discord.Object(id=LATEX_GUILD_ID),
+    )
+    @commands.has_any_role(*LATEX_ALLOWED_ROLES)
+    async def latexclean(self, ctx: commands.Context):
+        ch = ctx.message.channel
+        async with ch.typing():
+            atts = [a for a in (ctx.message.attachments or []) if is_tex_attachment(a, LATEX_MAX_ATTACH_MB)]
+            if not atts:
+                return await ctx.reply(f"Dołącz .tex (≤{LATEX_MAX_ATTACH_MB} MiB).", mention_author=False)
+
+            files: List[discord.File] = []
+            parts: List[str] = []
+            for att in atts:
+                try:
+                    data = await att.read()
+                    res = await compile_single_tex_bytes(data, att.filename, LATEX_TEX_ENGINE, LATEX_MAX_COMPILE_SECONDS, logger=self.logger)
+                    self.logger.debug("LaTeX CLEAN (%s)\n%s", att.filename, (res["log_text"] or "")[-2000:])
+                    if res["ok"] and res["pdf_bytes"]:
+                        b = io.BytesIO(res["pdf_bytes"])
+                        b.seek(0)
+                        b.name = res["pdf_name"]
+                        files.append(discord.File(b, filename=res["pdf_name"]))
+                        parts.append(f"✅ `{att.filename}`")
+                    else:
+                        parts.append(f"❌ `{att.filename}` — błąd (log w debug).")
+                except Exception as e:
+                    self.logger.debug("CLEAN exception %s: %s", att.filename, e)
+                    parts.append(f"⚠️ `{att.filename}` — wyjątek (log w debug).")
+
+            await ctx.reply("**LaTeX clean** — " + ", ".join(parts), files=files, mention_author=False)
+
+    # -------- /texbatch (ZIP -> ZIP) --------
+    @app_commands.command(
+        name="texbatch",
+        description="Wyślij ZIP z .tex → odeślę ZIP z PDF-ami (tylko udane)."
+    )
+    @app_commands.describe(archive=f"Archiwum .zip (max ~{LATEX_MAX_ZIP_MB} MiB)")
+    @app_commands.checks.has_any_role(*LATEX_ALLOWED_ROLES)
+    async def texbatch(self, interaction: discord.Interaction, archive: discord.Attachment):
+        await interaction.response.defer()
+        if not archive or not archive.filename.lower().endswith(".zip"):
+            return await interaction.followup.send("Dołącz ZIP (.zip) z plikami .tex.", ephemeral=True)
+        if archive.size > LATEX_MAX_ZIP_MB * 1024 * 1024:
+            return await interaction.followup.send(f"ZIP > {LATEX_MAX_ZIP_MB} MiB — za duży.", ephemeral=True)
+
+        data = await archive.read()
+        out_zip_bytes, failed = await compile_zip_to_zip(data, LATEX_TEX_ENGINE, LATEX_MAX_COMPILE_SECONDS, logger=self.logger)
+        if not out_zip_bytes and failed:
+            return await interaction.followup.send("Brak PDF-ów. " + "; ".join(failed[:10]), ephemeral=True)
+
+        bio = io.BytesIO(out_zip_bytes)
+        bio.seek(0)
+        bio.name = "compiled_pdfs.zip"
+        if failed:
+            self.logger.debug("BATCH failed: %s", ", ".join(failed))
+        await interaction.followup.send("✅ Gotowe (ZIP w załączniku)." + (f" ❌ Błędy: {len(failed)}" if failed else ""), files=[discord.File(bio, filename=bio.name)])
+
+async def setup(bot: commands.Bot):
+    await bot.add_cog(LatexModule(bot, logger_name="latex"))

latex_functions.py

@@ -0,0 +1,121 @@
+# latex_functions.py
+# -*- coding: utf-8 -*-
+from __future__ import annotations
+import asyncio, os, re, shlex, tempfile, zipfile
+from pathlib import Path
+from typing import Tuple, List, Dict, Optional
+
+from openai import OpenAI
+
+SAFE_TEX_NAME = re.compile(r"^[\w\-. ]+\.tex$", re.IGNORECASE)
+
+def is_safe_tex_name(name: str) -> bool:
+    return bool(SAFE_TEX_NAME.match(name or "")) and name.lower().endswith(".tex")
+
+def is_tex_attachment(att, max_mb: int) -> bool:
+    """Filtruje discord.Attachment: tylko .tex + limit MB + nazwa bezpieczna."""
+    return bool(
+        getattr(att, "filename", "") and
+        is_safe_tex_name(att.filename) and
+        getattr(att, "size", 0) <= max_mb * 1024 * 1024
+    )
+
+async def run_latex_two_passes(tex_filename: str, workdir: Path, tex_engine: str, timeout_sec: int, logger=None) -> Tuple[bool, str, Path]:
+    cmd = f'{tex_engine} -interaction=nonstopmode -halt-on-error -file-line-error -no-shell-escape {shlex.quote(tex_filename)}'
+    if logger: logger.debug("LaTeX cmd: %s (cwd=%s)", cmd, workdir)
+
+    async def _run_once() -> Tuple[int, str]:
+        proc = await asyncio.create_subprocess_shell(
+            cmd, cwd=str(workdir),
+            stdout=asyncio.subprocess.PIPE, stderr=asyncio.subprocess.STDOUT
+        )
+        try:
+            out_b, _ = await asyncio.wait_for(proc.communicate(), timeout=timeout_sec)
+            out_t = (out_b or b"").decode("utf-8", errors="replace")
+            return proc.returncode or 0, out_t
+        except asyncio.TimeoutError:
+            try: proc.kill()
+            except Exception: pass
+            return 124, f"[Timeout] Compilation exceeded {timeout_sec}s.\n"
+
+    logs: List[str] = []
+    rc1, out1 = await _run_once(); logs.append(out1)
+    if rc1 != 0:
+        log_text = "".join(logs)
+        if logger: logger.debug("LaTeX pass1 FAIL %s\n%s", tex_filename, log_text[-2000:])
+        return False, log_text, workdir / (Path(tex_filename).stem + ".pdf")
+
+    rc2, out2 = await _run_once(); logs.append(out2)
+    log_text = "".join(logs)
+    pdf = workdir / (Path(tex_filename).stem + ".pdf")
+    ok = (rc2 == 0) and pdf.exists()
+    if logger: logger.debug("LaTeX pass2 %s ok=%s\n%s", tex_filename, ok, log_text[-2000:])
+    return ok, log_text, pdf
+
+async def compile_single_tex_bytes(tex_bytes: bytes, filename: str, tex_engine: str, timeout_sec: int, logger=None) -> Dict[str, Optional[object]]:
+    if not is_safe_tex_name(filename):
+        return {'ok': False, 'pdf_bytes': None, 'log_text': 'Invalid .tex filename', 'pdf_name': None}
+    with tempfile.TemporaryDirectory(prefix="latex_one_") as td:
+        wd = Path(td)
+        tex_path = wd / filename
+        tex_path.write_bytes(tex_bytes)
+        ok, log_text, pdf_path = await run_latex_two_passes(filename, wd, tex_engine, timeout_sec, logger=logger)
+        if ok and pdf_path.exists():
+            return {'ok': True, 'pdf_bytes': pdf_path.read_bytes(), 'log_text': log_text, 'pdf_name': pdf_path.name}
+        return {'ok': False, 'pdf_bytes': None, 'log_text': log_text, 'pdf_name': pdf_path.name}
+
+async def compile_zip_to_zip(zip_bytes: bytes, tex_engine: str, timeout_sec: int, logger=None) -> Tuple[bytes, List[str]]:
+    failed: List[str] = []; out_pdf_paths: List[Path] = []
+    with tempfile.TemporaryDirectory(prefix="latex_zip_") as td:
+        td_path = Path(td)
+        in_zip = td_path / "in.zip"; in_zip.write_bytes(zip_bytes)
+        extract_dir = td_path / "in"; extract_dir.mkdir(parents=True, exist_ok=True)
+        with zipfile.ZipFile(in_zip, 'r') as zf: zf.extractall(extract_dir)
+
+        tex_files = [p for p in extract_dir.rglob("*.tex") if is_safe_tex_name(p.name)]
+        if not tex_files:
+            return b"", ["No .tex files found in archive."]
+
+        for tex in tex_files:
+            try:
+                work = td_path / f"build_{tex.stem}"; work.mkdir(parents=True, exist_ok=True)
+                target_tex = work / tex.name; target_tex.write_bytes(tex.read_bytes())
+                ok, log_text, pdf_path = await run_latex_two_passes(target_tex.name, work, tex_engine, timeout_sec, logger=logger)
+                if ok and pdf_path.exists():
+                    out_pdf_paths.append(pdf_path)
+                else:
+                    failed.append(tex.name)
+                    if logger: logger.debug("BATCH FAIL %s\n%s", tex.name, log_text[-1500:])
+            except Exception as e:
+                failed.append(f"{tex.name} (exception: {e})")
+                if logger: logger.debug("BATCH EXC %s: %s", tex.name, e)
+
+        out_zip = td_path / "compiled_pdfs.zip"
+        with zipfile.ZipFile(out_zip, "w", compression=zipfile.ZIP_DEFLATED) as zf:
+            for pdf in out_pdf_paths:
+                zf.write(pdf, arcname=pdf.name)
+
+        return out_zip.read_bytes(), failed
+
+async def ask_openai_diagnosis(log_text: str, tex_excerpt: str, api_key: str, model: str, logger=None) -> str:
+    if not api_key:
+        return "⚠️ Brak OPENAI_API_KEY — pomijam diagnozę."
+    client = OpenAI(api_key=api_key)
+    sys = ("You are a LaTeX build diagnostician. Analyze pdflatex log and return:\n"
+           "1) Root causes (bullets)\n2) Minimal working fix (code block)\n3) Alternative fix")
+    usr = f"---LOG---\n{log_text[-9000:]}\n---END LOG---"
+    if tex_excerpt:
+        usr += f"\n---TEX EXCERPT---\n{tex_excerpt[:4000]}\n---END EXCERPT---"
+    try:
+        if model.startswith("gpt-3.5"):
+            def _legacy():
+                resp = client.chat.completions.create(model=model, messages=[{"role":"system","content":sys},{"role":"user","content":usr}], temperature=0.1)
+                return resp.choices[0].message.content.strip()
+            return await asyncio.to_thread(_legacy)
+        def _resp():
+            r = client.responses.create(model=model, temperature=0.1, input=[{"role":"system","content":sys},{"role":"user","content":usr}])
+            return (getattr(r,"output_text",None) or "").strip() or str(r)
+        return await asyncio.to_thread(_resp)
+    except Exception as e:
+        if logger: logger.debug("OpenAI error: %s", e)
+        return f"⚠️ OpenAI API error: {e}"