build(debug): ensure TEXINPUTS points to project; copy template *.sty into zip project; use local fonts via overrides; should resolve Raleway fontspec error

app.py

@@ -453,7 +453,11 @@ def _compile_poster_pdf(OUTPUT_DIR: Path, logs):
                 logs.append("⚠️ No TeX engine found (tectonic/lualatex/xelatex/latexmk) and 'tectonic' module missing. Skipping PDF compile.")
                 return None
 
-        proc = _sp.run(cmd, cwd=str(proj_dir), stdout=_sp.PIPE, stderr=_sp.STDOUT, text=True)
+        import os as _os
+        _env = _os.environ.copy()
+        # Ensure TeX can find local theme/fonts in the project tree first
+        _env["TEXINPUTS"] = str(proj_dir) + _os.pathsep + _env.get("TEXINPUTS", "")
+        proc = _sp.run(cmd, cwd=str(proj_dir), stdout=_sp.PIPE, stderr=_sp.STDOUT, text=True, env=_env)
         if proc.stdout:
             logs.append(proc.stdout[-4000:])
         if proc.returncode != 0:
@@ -515,7 +519,10 @@ def _compile_tex_to_pdf(tex_path: Path, logs):
             except Exception:
                 logs.append("⚠️ No TeX engine found.")
                 return None
-        proc = _sp.run(cmd, cwd=str(proj_dir), stdout=_sp.PIPE, stderr=_sp.STDOUT, text=True)
+        import os as _os
+        _env = _os.environ.copy()
+        _env["TEXINPUTS"] = str(proj_dir) + _os.pathsep + _env.get("TEXINPUTS", "")
+        proc = _sp.run(cmd, cwd=str(proj_dir), stdout=_sp.PIPE, stderr=_sp.STDOUT, text=True, env=_env)
         if proc.stdout:
             logs.append(proc.stdout[-4000:])
         if proc.returncode != 0:
@@ -682,6 +689,14 @@ def debug_compile_output_zip():
                     if fn.lower().endswith((".ttf", ".otf")):
                         shutil.copy2(Path(root_dir)/fn, out_dir/fn)
             logs.append("📁 Copied local fonts → zip_proj/fonts/")
+        # Copy repository theme .sty files into project root so they take precedence
+        try:
+            tmpl_dir = ROOT / "template"
+            for sty in tmpl_dir.glob("*.sty"):
+                shutil.copy2(sty, work_zip_dir / sty.name)
+            logs.append("📄 Copied template/*.sty → zip_proj/")
+        except Exception as e:
+            logs.append(f"⚠️ Copy sty failed: {e}")
         # Append overrides into theme file(s)
         for sty in work_zip_dir.rglob("beamerthemegemini.sty"):
             with open(sty, "a", encoding="utf-8") as fh: