refactor: remove dead code _render_file_viewer from board.py

The standalone file viewer page (with '← Workspace' topbar) was dead code —
never called after the rollback. 192 lines removed, zero references left.

app/routers/board.py

@@ -980,198 +980,6 @@ async def view_page(request: Request, page_id: int):
     return HTMLResponse(content=response, headers={"Cache-Control": "no-store, max-age=0"})
 
 
-def _render_file_viewer(page: dict, request: Request) -> HTMLResponse:
-    """Render a file viewer for uploaded files (content_format='file')."""
-    import json
-    page_id = page["id"]
-    title = page.get("title", "File")
-    user = SessionManager.decode_session(request.cookies.get("flowdeck_session", ""))
-    ws_name = user.get("login", "Bruno") if user else "Bruno"
-    initial = ws_name[0].upper() if ws_name else "B"
-
-    try:
-        meta = json.loads(page.get("content", "{}"))
-    except json.JSONDecodeError:
-        meta = {}
-    file_path = meta.get("file_path", "")
-    mime_type = meta.get("mime_type", "application/octet-stream")
-    size = meta.get("size", 0)
-
-    # Build workspace_id from file_path
-    parts = file_path.split("/")
-    ws_id = ""
-    for p in parts:
-        if p.startswith("workspace_"):
-            ws_id = p.replace("workspace_", "")
-            break
-    filename = parts[-1] if parts else title
-
-    file_url = f"/api/files/{ws_id}/{filename}" if ws_id else ""
-
-    # Determine viewer type
-    is_image = mime_type.startswith("image/")
-    is_pdf = mime_type == "application/pdf"
-    is_text = mime_type.startswith("text/") or mime_type in (
-        "application/json", "application/javascript", "application/xml",
-        "application/x-python", "application/x-sh"
-    )
-    is_code = any(ext in (filename or "").lower() for ext in (
-        ".py", ".js", ".ts", ".jsx", ".tsx", ".html", ".htm", ".css",
-        ".json", ".xml", ".yaml", ".yml", ".md", ".sql", ".sh", ".bash",
-        ".ps1", ".bat", ".cmd", ".rb", ".go", ".rs", ".java", ".c", ".cpp",
-        ".h", ".hpp", ".php", ".swift", ".kt", ".scala", ".r", ".toml",
-        ".ini", ".cfg", ".conf", ".env", ".dockerfile", ".makefile"
-    ))
-    if is_code:
-        is_text = True
-
-    # Determine language class for syntax highlighting
-    ext_map = {
-        ".py": "python", ".js": "javascript", ".ts": "typescript",
-        ".html": "html", ".css": "css", ".json": "json", ".md": "markdown",
-        ".sql": "sql", ".sh": "bash", ".ps1": "powershell", ".rs": "rust",
-        ".go": "go", ".java": "java", ".rb": "ruby", ".xml": "xml",
-        ".yaml": "yaml", ".yml": "yaml", ".toml": "toml",
-    }
-    lang = "plaintext"
-    for ext, name in ext_map.items():
-        if (filename or "").lower().endswith(ext):
-            lang = name
-            break
-
-    size_str = f"{size:,} bytes" if size < 1024 else f"{size/1024:.1f} KB" if size < 1024*1024 else f"{size/1024/1024:.1f} MB"
-
-    html = f"""<!DOCTYPE html>
-<html lang="en" data-theme="dark">
-<head><meta charset="UTF-8"><meta name="viewport" content="width=device-width,initial-scale=1">
-<title>{title} — FlowDeck</title>
-<style>
-:root{{--bg:#0d1117;--bg2:#161b22;--text:#c9d1d9;--text2:#8b949e;--accent:#58a6ff;--border:#30363d;--line-num:#484f58;}}
-*{{margin:0;padding:0;box-sizing:border-box}}
-body{{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;min-height:100vh;}}
-.topbar{{display:flex;align-items:center;gap:10px;padding:8px 16px;background:var(--bg2);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:10;}}
-.topbar a,.topbar button{{color:var(--text2);text-decoration:none;background:var(--bg);border:1px solid var(--border);cursor:pointer;font-size:12px;padding:5px 10px;border-radius:6px;display:inline-flex;align-items:center;gap:4px;transition:all 150ms;}}
-.topbar a:hover,.topbar button:hover{{background:var(--border);color:var(--text);}}
-.topbar .title{{font-weight:600;color:var(--text);font-size:14px;flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}}
-.topbar .lang-badge{{font-size:11px;padding:2px 8px;background:var(--accent);color:#fff;border-radius:10px;font-weight:500;border:none;}}
-.meta{{font-size:11px;color:var(--text2);white-space:nowrap;}}
-.btn-copy{{gap:4px;}}
-.btn-copy.copied{{background:#238636;border-color:#238636;color:#fff;}}
-.viewer{{max-width:100%;margin:0 auto;}}
-.viewer img{{max-width:100%;max-height:85vh;display:block;margin:0 auto;}}
-.viewer iframe{{width:100%;height:90vh;border:none;}}
-.code-container{{display:flex;overflow:auto;max-height:90vh;font-family:'Fira Code','Cascadia Code','JetBrains Mono','SF Mono',monospace;font-size:12px;line-height:20px;}}
-.line-numbers{{flex-shrink:0;padding:12px 10px;text-align:right;color:var(--line-num);background:var(--bg2);border-right:1px solid var(--border);user-select:none;min-width:48px;}}
-.line-numbers span{{display:block;}}
-.code-content{{flex:1;padding:12px 16px;overflow:auto;white-space:pre;color:var(--text);background:var(--bg);}}
-.code-content span{{display:block;}}
-.code-content .hl-kw{{color:#ff7b72;}}
-.code-content .hl-str{{color:#a5d6ff;}}
-.code-content .hl-cmt{{color:#8b949e;font-style:italic;}}
-.code-content .hl-num{{color:#79c0ff;}}
-.code-content .hl-fn{{color:#d2a8ff;}}
-.unsupported{{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:80px 20px;text-align:center;}}
-.unsupported .icon{{font-size:64px;margin-bottom:16px;}}
-.unsupported h2{{font-size:20px;margin-bottom:8px;}}
-.unsupported p{{color:var(--text2);margin-bottom:20px;}}
-.unsupported a{{display:inline-block;padding:10px 24px;background:var(--accent);color:#fff;text-decoration:none;border-radius:8px;font-weight:500;}}
-</style></head>
-<body>
-<div class="topbar">
-  <a href="/local-workspace">← Workspace</a>
-  <span class="title">{title}</span>
-  <span class="lang-badge">{lang}</span>
-  <span class="meta">{size_str}</span>
-  <button class="btn-copy" onclick="copyCode()" title="Copy to clipboard">📋 Copy</button>
-  <a href="{file_url}" download>⬇ Download</a>
-</div>
-<div class="viewer">"""
-
-    if is_image:
-        html += f'<img src="{file_url}" alt="{title}">'
-    elif is_pdf:
-        html += f'<iframe src="{file_url}"></iframe>'
-    elif is_text:
-        html += f'''<div class="code-container">
-  <div class="line-numbers" id="line-numbers"></div>
-  <div class="code-content" id="code-content">Loading...</div>
-</div>
-<script>
-var codeEl=document.getElementById("code-content");
-var lineEl=document.getElementById("line-numbers");
-fetch("{file_url}").then(function(r){{return r.text()}}).then(function(t){{
-  var lines=t.split("\\n");
-  if(lines.length>1&&lines[lines.length-1]==="")lines.pop();
-  var numHtml="",codeHtml="";
-  for(var i=0;i<lines.length;i++){{
-    numHtml+="<span>"+(i+1)+"</span>";
-    codeHtml+="<span>"+highlightCode(lines[i])+"</span>";
-  }}
-  lineEl.innerHTML=numHtml;
-  codeEl.innerHTML=codeHtml;
-}}).catch(function(e){{codeEl.textContent="Error loading file: "+e;}});
-function escHtml(s){{return s.replace(/&/g,"&amp;").replace(/</g,"&lt;").replace(/>/g,"&gt;");}}
-function highlightCode(line){{
-  var s=escHtml(line);
-  var lang="{lang}";
-  // Comments
-  if(lang==="python"||lang==="bash"||lang==="yaml"||lang==="toml"||lang==="powershell"){{
-    s=s.replace(/^(\\s*#.*)$/gm,'<span class="hl-cmt">$1</span>');
-  }}else if(lang==="javascript"||lang==="typescript"||lang==="go"||lang==="rust"||lang==="java"||lang==="sql"){{
-    s=s.replace(/^(\\s*\\/\\/.*)$/gm,'<span class="hl-cmt">$1</span>');
-    s=s.replace(/(\\/\\*[\\s\\S]*?\\*\\/)/g,'<span class="hl-cmt">$1</span>');
-  }}else if(lang==="html"||lang==="xml"){{
-    s=s.replace(/(&lt;!--[\\s\\S]*?--&gt;)/g,'<span class="hl-cmt">$1</span>');
-  }}else if(lang==="css"){{
-    s=s.replace(/(\\/\\*[\\s\\S]*?\\*\\/)/g,'<span class="hl-cmt">$1</span>');
-  }}
-  // Strings
-  s=s.replace(/(&quot;(?:[^&]|&(?!quot;))*&quot;)/g,'<span class="hl-str">$1</span>');
-  s=s.replace(/(&#x27;(?:[^&]|&(?!#x27;))*&#x27;)/g,'<span class="hl-str">$1</span>');
-  s=s.replace(/(`[^`]*`)/g,'<span class="hl-str">$1</span>');
-  // Numbers
-  s=s.replace(/\\b(\\d+\\.?\\d*)\\b/g,'<span class="hl-num">$1</span>');
-  // Keywords
-  var kw=[];
-  if(lang==="python")kw=["def","class","import","from","return","if","elif","else","for","while","try","except","finally","with","as","yield","raise","pass","break","continue","and","or","not","in","is","None","True","False","lambda","async","await","self"];
-  else if(lang==="javascript"||lang==="typescript")kw=["function","const","let","var","return","if","else","for","while","do","switch","case","break","continue","try","catch","finally","throw","new","class","extends","import","export","default","from","async","await","typeof","instanceof","this","super","null","undefined","true","false","of","in"];
-  else if(lang==="go")kw=["func","package","import","return","if","else","for","range","switch","case","break","continue","defer","go","chan","map","struct","interface","type","var","const","nil","true","false"];
-  else if(lang==="rust")kw=["fn","let","mut","const","struct","enum","impl","trait","pub","use","mod","match","if","else","for","while","loop","return","break","continue","self","super","where","as","in","ref","move","true","false","async","await"];
-  else if(lang==="java")kw=["public","private","protected","class","interface","extends","implements","static","final","void","int","long","double","boolean","char","String","new","return","if","else","for","while","switch","case","break","continue","try","catch","finally","throw","throws","import","package","this","super","null","true","false"];
-  else if(lang==="sql")kw=["SELECT","FROM","WHERE","INSERT","UPDATE","DELETE","CREATE","ALTER","DROP","TABLE","INDEX","VIEW","INTO","VALUES","SET","JOIN","LEFT","RIGHT","INNER","OUTER","ON","AND","OR","NOT","NULL","AS","ORDER","BY","GROUP","HAVING","LIMIT","OFFSET","UNION","ALL","DISTINCT","COUNT","SUM","AVG","MAX","MIN","EXISTS","BETWEEN","LIKE","IN","CASE","WHEN","THEN","ELSE","END","PRIMARY","KEY","FOREIGN","REFERENCES","CONSTRAINT","DEFAULT","CHECK","UNIQUE","CASCADE"];
-  else if(lang==="bash")kw=["if","then","else","elif","fi","for","while","do","done","case","esac","function","return","exit","export","local","readonly","unset","echo","printf","source","exec","trap"];
-  else if(lang==="powershell")kw=["function","param","if","else","elseif","foreach","for","while","do","until","switch","case","break","continue","return","throw","try","catch","finally","trap","begin","process","end","param","Write-Host","Write-Output","Get-Content","Set-Content","Out-File"];
-  if(kw.length>0){{
-    var re=new RegExp("\\\\b("+kw.join("|")+")\\\\b","g");
-    s=s.replace(re,'<span class="hl-kw">$1</span>');
-  }}
-  // Decorators (Python) & function calls
-  if(lang==="python"){{
-    s=s.replace(/(@\\w+)/g,'<span class="hl-fn">$1</span>');
-  }}
-  return s;
-}}
-function copyCode(){{
-  var text=Array.from(codeEl.children).map(function(s){{return s.textContent}}).join("\\n");
-  navigator.clipboard.writeText(text).then(function(){{
-    var btn=document.querySelector(".btn-copy");
-    btn.textContent="✓ Copied!";
-    btn.classList.add("copied");
-    setTimeout(function(){{btn.textContent="📋 Copy";btn.classList.remove("copied");}},2000);
-  }});
-}}
-</script>'''
-    else:
-        html += f'''<div class="unsupported">
-<div class="icon">📎</div>
-<h2>{title}</h2>
-<p>{size_str} · {mime_type}<br>This file type cannot be previewed.</p>
-<a href="{file_url}" download>⬇ Download</a>
-</div>'''
-
-    html += "</div></body></html>"
-    return HTMLResponse(content=html)
-
 @router.post("/api/sync/{owner}/{repo}")
 async def sync_project(owner: str, repo: str):
     """Full bidirectional sync: fetch Gitea issues → update local DB."""