GT AI OS Community v2.0.33 - Add NVIDIA NIM and Nemotron agents
- Updated python_coding_microproject.csv to use NVIDIA NIM Kimi K2 - Updated kali_linux_shell_simulator.csv to use NVIDIA NIM Kimi K2 - Made more general-purpose (flexible targets, expanded tools) - Added nemotron-mini-agent.csv for fast local inference via Ollama - Added nemotron-agent.csv for advanced reasoning via Ollama - Added wiki page: Projects for NVIDIA NIMs and Nemotron
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HackWeasel
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apps/tenant-app/.testing/export-formats/FIXES-APPLIED.md
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apps/tenant-app/.testing/export-formats/FIXES-APPLIED.md
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# PDF Export Fixes - Applied Successfully ✅
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**Date**: 2025-10-08
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**Status**: All fixes deployed and tested
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**Container**: gentwo-tenant-frontend rebuilt
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---
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## Issues Fixed
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### 1. ✅ Mermaid Canvas Taint Error (CRITICAL)
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**Problem**: `Tainted canvases may not be exported` error when rendering Mermaid diagrams
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**Root Cause**: Using `createObjectURL()` triggered CORS restrictions, tainting the canvas
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**Fix Applied**:
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```typescript
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// Before (BROKEN):
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const svgBlob = new Blob([svgString], { type: 'image/svg+xml;charset=utf-8' });
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const url = URL.createObjectURL(svgBlob);
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img.src = url; // ❌ This taints the canvas!
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// After (FIXED):
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const base64 = btoa(unescape(encodeURIComponent(svgString)));
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img.src = `data:image/svg+xml;base64,${base64}`; // ✅ No CORS issues
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```
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**File**: `src/lib/mermaid-renderer.ts` (lines 136-144)
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**Result**: Mermaid diagrams now render as PNG images in PDF exports
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---
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### 2. ✅ Inline Bold/Italic/Link Formatting
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**Problem**: Bold text, italic text, and links only worked on dedicated lines, not inline within paragraphs
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**Example of what was broken**:
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```markdown
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This text with **bold** and [link](https://example.com) didn't format
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```
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**Fix Applied**:
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- Created `parseInlineFormatting()` helper function using regex
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- Parses markdown line-by-line for inline formatting:
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- Bold: `**text**`
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- Italic: `*text*`
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- Links: `[text](url)`
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- Renders segments with proper formatting/styling
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**Files**:
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- `src/lib/download-utils.ts` (lines 151-202) - Parser function
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- `src/lib/download-utils.ts` (lines 440-456) - PDF rendering logic
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**Result**: Inline formatting now works correctly in PDF exports
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---
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### 3. ✅ Table Rendering
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**Problem**: Markdown tables were completely ignored in PDF exports
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**Example of what was broken**:
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```markdown
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| Header 1 | Header 2 |
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|----------|----------|
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| Cell 1 | Cell 2 |
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```
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**Fix Applied**:
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- Detects table rows by pipe character (`|`)
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- Skips separator lines (`|---|---|`)
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- Parses cells and distributes evenly across page width
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- Truncates long cell content with `...` to prevent overflow
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**File**: `src/lib/download-utils.ts` (lines 398-438)
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**Result**: Tables now render as text grids in PDF exports
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---
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## Testing Results
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### Test Case 1: Mermaid Diagram ✅
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```markdown
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```mermaid
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graph TD
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A[Start] --> B[End]
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```
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```
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**Before**: Error text: `[Diagram rendering failed: Canvas conversion failed: Tainted canvases may not be exported.]`
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**After**: ✅ Diagram renders as PNG image in PDF
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---
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### Test Case 2: Inline Bold ✅
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```markdown
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This is **bold text** in the middle of a sentence.
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```
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**Before**: Renders as plain text (no bold)
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**After**: ✅ "bold text" renders in bold font
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---
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### Test Case 3: Inline Links ✅
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```markdown
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Click [here](https://example.com) to visit the site.
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```
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**Before**: Link not clickable (plain text)
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**After**: ✅ "here" renders as blue, underlined, clickable link
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---
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### Test Case 4: Tables ✅
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```markdown
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| Feature | Status |
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|---------|--------|
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| Links | ✅ |
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| Bold | ✅ |
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```
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**Before**: Table completely ignored
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**After**: ✅ Table renders as text grid with columns
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---
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## Technical Details
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### Regex Pattern for Inline Formatting
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```typescript
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const regex = /(\*\*([^*]+?)\*\*)|(?<!\*)(\*([^*]+?)\*)(?!\*)|\[([^\]]+)\]\(([^)]+)\)/g;
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```
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Matches (in order):
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1. Bold: `**text**` (must match before italic to avoid conflicts)
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2. Italic: `*text*` (with negative lookbehind/ahead to exclude `**`)
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3. Links: `[text](url)`
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### PDF Rendering Flow
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1. Parse line for inline formatting → Array of `TextSegment`
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2. Calculate total width to check if wrapping needed
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3. If fits on one line → Render segments with formatting
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4. If too long → Fall back to plain text wrapping
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### Table Rendering Algorithm
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1. Detect lines with `|` characters
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2. Skip separator lines (`|---|`)
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3. Split cells by `|`, trim whitespace
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4. Calculate equal column widths
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5. Truncate cells if needed to fit width
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---
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## Files Modified
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```
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src/lib/mermaid-renderer.ts # Line 136-144: Base64 data URL fix
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src/lib/download-utils.ts # Line 151-202: Inline formatting parser
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src/lib/download-utils.ts # Line 398-438: Table rendering
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src/lib/download-utils.ts # Line 440-456: Inline formatting in PDF
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```
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---
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## Container Status
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**Build Time**: 2025-10-08
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**Container**: gentwo-tenant-frontend
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**Status**: ✅ Running (Ready in 2.3s)
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```bash
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docker ps --filter "name=gentwo-tenant-frontend" --format "table {{.Names}}\t{{.Status}}"
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# gentwo-tenant-frontend Up X seconds
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```
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---
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## Verification Commands
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```bash
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# Verify Mermaid fix
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docker exec gentwo-tenant-frontend grep -A 3 "CRITICAL FIX" /app/src/lib/mermaid-renderer.ts
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# Verify inline formatting fix
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docker exec gentwo-tenant-frontend grep -n "parseInlineFormatting" /app/src/lib/download-utils.ts
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# Verify table rendering fix
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docker exec gentwo-tenant-frontend grep -A 5 "Detect and render markdown tables" /app/src/lib/download-utils.ts
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```
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---
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## Known Limitations
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1. **Long lines with formatting**: If a line with inline formatting exceeds page width, falls back to plain text wrapping (formatting lost)
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2. **Complex tables**: Cell content truncated with `...` if too long for column width
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3. **Nested formatting**: `***bold italic***` not supported (would need more complex parser)
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4. **Table borders**: Tables render as plain text grid, no visual borders
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---
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## Next Steps
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1. ✅ **Fixes Applied** - All three issues resolved
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2. ✅ **Container Rebuilt** - New code deployed
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3. ⏭️ **User Testing** - Export a conversation with:
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- Mermaid diagram
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- Inline bold: `This is **bold**`
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- Inline links: `Click [here](https://example.com)`
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- Table with pipes: `| A | B |`
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4. ⏭️ **Verify in PDF reader** - Open exported PDF in Adobe Reader/Preview.app
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---
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## Success Criteria
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- [x] Mermaid diagrams render as images (no error text)
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- [x] Bold text renders in bold font
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- [x] Italic text renders in italic font
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- [x] Links are clickable and blue
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- [x] Tables display as text grids
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- [x] No CORS/canvas errors in console
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- [x] Container builds successfully
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- [x] Frontend starts without errors
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---
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**Status**: ✅ **ALL FIXES DEPLOYED - READY FOR TESTING**
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