Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 | import { NextResponse } from 'next/server' import { withAuth } from '@/lib/auth/withAuth' import { spawn } from 'child_process' import { tmpdir } from 'os' import { join } from 'path' import { writeFile, unlink } from 'fs/promises' import { createTask } from '@/lib/task-manager' import type { DemoRefineEvent } from '@/lib/tasks/events' export const dynamic = 'force-dynamic' interface SelectedSegment { index: number scrubberLabel?: string ttsText: string startProgress: number endProgress: number animationDurationMs: number } interface RefineRequest { constantId: string startProgress: number endProgress: number prompt: string selectedSegments: SelectedSegment[] screenshotBase64?: string continueSessionId?: string } /** Map constantId to display info for the system prompt */ const CONSTANT_DISPLAY: Record<string, { name: string; symbol: string }> = { phi: { name: 'Golden Ratio', symbol: 'φ' }, pi: { name: 'Pi', symbol: 'π' }, tau: { name: 'Tau', symbol: 'τ' }, e: { name: "Euler's Number", symbol: 'e' }, gamma: { name: 'Euler-Mascheroni Constant', symbol: 'γ' }, sqrt2: { name: 'Square Root of 2', symbol: '√2' }, sqrt3: { name: 'Square Root of 3', symbol: '√3' }, ln2: { name: 'Natural Log of 2', symbol: 'ln 2' }, ramanujan: { name: 'Ramanujan-Soldner Constant', symbol: 'μ' }, feigenbaum: { name: 'Feigenbaum Constant', symbol: 'δ' }, } /** Map constantId to file name prefix (handles phi → goldenRatio special case) */ function demoFilePrefix(constantId: string): string { if (constantId === 'phi') return 'goldenRatio' return constantId } function buildContinuationPrompt(prompt: string, screenshotPath?: string): string { if (!screenshotPath) return prompt return `${prompt} ## Annotated Screenshot The user captured a new screenshot with bright magenta (#ff00ff) annotations highlighting areas of interest. FIRST read the screenshot to see what the user is referring to: ${screenshotPath} Interpret the magenta annotations as "look here" / "this area" markers in the context of the user's request.` } function buildSystemPrompt(req: RefineRequest, screenshotPath?: string): string { const display = CONSTANT_DISPLAY[req.constantId] ?? { name: req.constantId, symbol: req.constantId, } const prefix = demoFilePrefix(req.constantId) const demosDir = 'apps/web/src/components/toys/number-line/constants/demos' const segmentList = req.selectedSegments .map((seg, i) => { const label = seg.scrubberLabel ? ` (${seg.scrubberLabel})` : '' return ` ${i + 1}. Segment ${seg.index}${label} Progress: ${seg.startProgress.toFixed(3)} → ${seg.endProgress.toFixed(3)} Duration: ${seg.animationDurationMs}ms TTS: "${seg.ttsText}"` }) .join('\n') return `You are refining a mathematical constant demo for the number line educational tool. ## Context - Constant: ${req.constantId} (${display.name}, ${display.symbol}) - Selected progress range: ${req.startProgress.toFixed(3)} to ${req.endProgress.toFixed(3)} ## Files to modify - Animation: ${demosDir}/${prefix}Demo.ts - Narration: ${demosDir}/${prefix}DemoNarration.ts ## Context files (read-only) - Hook: ${demosDir}/useConstantDemoNarration.ts - Demo hook: ${demosDir}/useConstantDemo.ts ## Selected segments ${segmentList} ## User's request ${req.prompt} ## Rules 1. Read BOTH files before making changes 2. Focus on segments within the selected range 3. Segments MUST remain contiguous (each startProgress = prev endProgress) 4. First segment starts at 0.000, last ends at 1.000 5. You may add/remove/reorder segments but maintain contiguity 6. ttsText should be for a smart 5-year-old: clear, vivid, wonder-filled 7. Run: cd apps/web && npx tsc --noEmit 8. Do NOT change exported function signatures 9. Do NOT modify useConstantDemoNarration.ts or useConstantDemo.ts${ screenshotPath ? ` ## Annotated Screenshot The user captured a screenshot of the current animation frame and drew bright magenta (#ff00ff) annotations on it. The magenta marks are NOT part of the animation — they are the user's hand-drawn indicators highlighting areas of interest. FIRST read the screenshot to see what the user is referring to: ${screenshotPath} Interpret the magenta annotations as "look here" / "this area" markers in the context of the user's request.` : '' }` } export const POST = withAuth(async (request) => { if (process.env.NODE_ENV !== 'development') { return NextResponse.json( { error: 'This endpoint is only available in development mode' }, { status: 403 } ) } let body: RefineRequest try { body = await request.json() } catch { return NextResponse.json({ error: 'Invalid JSON' }, { status: 400 }) } const { constantId, startProgress, endProgress, prompt, selectedSegments } = body if (!constantId || prompt == null || startProgress == null || endProgress == null) { return NextResponse.json( { error: 'Missing required fields: constantId, startProgress, endProgress, prompt' }, { status: 400 } ) } // Save annotated screenshot to temp file if provided let screenshotPath: string | undefined if (body.screenshotBase64) { const buf = Buffer.from(body.screenshotBase64, 'base64') screenshotPath = join(tmpdir(), `demo-refine-screenshot-${Date.now()}.png`) await writeFile(screenshotPath, buf) } const isContinuation = !!body.continueSessionId const claudePrompt = isContinuation ? buildContinuationPrompt(prompt, screenshotPath) : buildSystemPrompt(body, screenshotPath) + '\n\n' + prompt const taskId = await createTask<RefineRequest, { sessionId?: string }, DemoRefineEvent>( 'demo-refine', body, async (handle) => { const child = spawn( 'claude', [ '-p', claudePrompt, '--output-format', 'stream-json', '--verbose', '--allowedTools', 'Read,Write,Edit,Glob,Grep,Bash', ...(isContinuation ? ['--resume', body.continueSessionId!] : []), ], { cwd: process.cwd(), env: { ...process.env }, stdio: ['ignore', 'pipe', 'pipe'], } ) let sessionId: string | undefined let toolCallCount = 0 let lastLineBuffer = '' child.stdout.on('data', (chunk: Buffer) => { if (handle.isCancelled()) { child.kill('SIGTERM') return } lastLineBuffer += chunk.toString() const lines = lastLineBuffer.split('\n') // Keep the last partial line in the buffer lastLineBuffer = lines.pop() ?? '' for (const line of lines) { if (!line.trim()) continue try { const msg = JSON.parse(line) // Extract session ID from the first message and emit it immediately if (msg.session_id && !sessionId) { sessionId = msg.session_id handle.emit({ type: 'session_id', sessionId: msg.session_id as string }) } if (msg.type === 'assistant' && msg.message?.content) { for (const block of msg.message.content) { if (block.type === 'text' && block.text) { handle.emit({ type: 'claude_output', text: block.text }) } else if (block.type === 'tool_use') { toolCallCount++ handle.emit({ type: 'tool_use', tool: block.name, file: block.input?.file_path ?? block.input?.command, }) // Estimate progress based on tool calls (rough heuristic) handle.setProgress(Math.min(90, toolCallCount * 8), `Tool: ${block.name}`) } } } if (msg.type === 'result') { sessionId = msg.session_id ?? sessionId const success = !msg.is_error handle.emit({ type: 'claude_result', sessionId: sessionId ?? '', success, }) } } catch { // Non-JSON line, skip } } }) child.stderr.on('data', (chunk: Buffer) => { const text = chunk.toString() if (text.trim()) { handle.emitTransient({ type: 'stderr', text }) } }) // Handle cancellation const checkCancellation = setInterval(() => { if (handle.isCancelled()) { child.kill('SIGTERM') clearInterval(checkCancellation) } }, 1000) try { await new Promise<void>((resolve, reject) => { child.on('close', (code) => { clearInterval(checkCancellation) // Process any remaining buffer if (lastLineBuffer.trim()) { try { const msg = JSON.parse(lastLineBuffer) if (msg.session_id && !sessionId) sessionId = msg.session_id if (msg.type === 'result') { sessionId = msg.session_id ?? sessionId } } catch { /* ignore */ } } if (handle.isCancelled()) { resolve() return } if (code === 0) { handle.complete({ sessionId }) resolve() } else { handle.fail(`Claude exited with code ${code}`) reject(new Error(`Claude exited with code ${code}`)) } }) child.on('error', (err) => { clearInterval(checkCancellation) handle.fail(`Failed to spawn claude: ${err.message}`) reject(err) }) }) } finally { // Clean up temp screenshot file if (screenshotPath) unlink(screenshotPath).catch(() => {}) } } ) return NextResponse.json({ taskId }) }) |