${title}

[{"_1":2,"_3":-5,"_4":-5},"loaderData",{"_5":6,"_7":8,"_9":10},"actionData","errors","root",{"_152":153,"_154":155},"routes/_app.x.$handle.$name",{"_11":12,"_13":14,"_15":16,"_18":19,"_17":-7,"_114":-5,"_20":115,"_22":116,"_117":118,"_119":120,"_25":121,"_24":-5,"_122":-5,"_123":-5,"_124":53,"_125":126,"_127":44,"_128":-5,"_129":-5,"_130":131},"routes/_app.x.$handle.$name.branch.$branch.code.$",{"_11":12,"_13":14,"_15":16,"_17":-7,"_18":19,"_20":21,"_22":23,"_24":-7,"_25":26,"_27":-5,"_28":-5,"_29":-5,"_30":-5,"_31":-5},"handle","Faxom","name","learnyourway-brief","branchName","main","version","path","","project",{"_33":61,"_13":14,"_45":62,"_63":-5,"_64":53,"_65":66,"_67":66,"_68":-5,"_69":-5,"_70":71,"_72":-5,"_73":53,"_74":-5,"_75":-5,"_76":77,"_78":79,"_80":-5,"_81":-5,"_82":-5,"_83":-5,"_84":85,"_86":85,"_87":88,"_89":88,"_90":88,"_91":85,"_92":85,"_93":94,"_95":96,"_97":98,"_99":53},"tree",[56],"file","contents",[32],"upstream","pull","ahead","behind","envVars",{"_33":34,"_13":35,"_36":37,"_38":-5,"_39":40,"_41":42,"_43":44,"_45":46,"_17":47,"_48":49,"_50":51,"_52":53,"_54":-5,"_18":55},"id","b6d9c8ce-3b40-11f1-a509-42b51c65c3df","main.ts","fileId","c00f4378-3b37-11f1-8b63-42b51c65c3df","parentId","branchId","c00d2688-3b37-11f1-8b63-42b51c65c3df","branchVersion",8,"latest",true,"createdAt",["D",1776528455660],7,"fileType","http","content","// learnyourway-brief\n// Adaptive daily brief generator for the learnYourWay curriculum system.\n//\n// Endpoints:\n// GET / -> default daily brief for student_001\n// GET /?student=student_001 -> daily brief for that student\n// GET /?student=...&type=weekly -> weekly review (ensemble)\n// GET /?student=...&type=concept_intro&concept=concept_6 -> concept intro (ensemble)\n// POST /?action=fanout -> on-demand ensemble for {question}\n// POST /?action=session_log -> append session row\n// POST /?action=signal -> append feedback signal\n// GET /?student=...&debug=1 -> show context+prompt without calling LLM\n//\n// Required env vars (set in val.town):\n// ANTHROPIC_API_KEY - your Anthropic key (sk-ant-...)\n// OPENROUTER_API_KEY - your OpenRouter key (sk-or-v1-...)\n// SHEET_WEBHOOK_URL - the Apps Script /exec URL (handles GET=read, POST=write)\n// CURRICULUM_URL - the learnyourway-curriculum val URL\n\n// ============================================================\n// CONFIG\n// ============================================================\nconst ANTHROPIC_MODEL = \"claude-sonnet-4-6\";\nconst ENSEMBLE_MODELS = [\n { provider: \"anthropic\", model: \"claude-sonnet-4-6\", label: \"Claude\" },\n { provider: \"openrouter\", model: \"openai/gpt-4o\", label: \"GPT-4o\" },\n { provider: \"openrouter\", model: \"google/gemini-2.5-pro\", label: \"Gemini\" },\n];\n\n// ============================================================\n// ENV ACCESS (works in val.town and locally for testing)\n// ============================================================\nfunction env(key: string): string {\n // @ts-ignore Deno is available in val.town runtime\n const v = (typeof Deno !== \"undefined\" && Deno.env)\n ? Deno.env.get(key)\n : process.env[key];\n if (!v) throw new Error(`Missing env var: ${key}`);\n return v;\n}\n\n// ============================================================\n// CURRICULUM + STUDENT CONTEXT FETCHERS\n// ============================================================\nlet _curriculumCache: any = null;\nlet _curriculumCachedAt = 0;\nconst CURRICULUM_TTL_MS = 5 * 60 * 1000; // 5 minutes\n\nasync function fetchCurriculum(): Promise {\n const now = Date.now();\n if (_curriculumCache && now - _curriculumCachedAt < CURRICULUM_TTL_MS) {\n return _curriculumCache;\n }\n const url = env(\"CURRICULUM_URL\");\n const res = await fetch(url);\n if (!res.ok) throw new Error(`Curriculum fetch failed: ${res.status}`);\n _curriculumCache = await res.json();\n _curriculumCachedAt = now;\n return _curriculumCache;\n}\n\nasync function fetchStudentContext(studentId: string): Promise {\n const url = env(\"SHEET_WEBHOOK_URL\") + \"?student_id=\" +\n encodeURIComponent(studentId);\n const res = await fetch(url, { redirect: \"follow\" });\n if (!res.ok) throw new Error(`Sheet read failed: ${res.status}`);\n return await res.json();\n}\n\n// ============================================================\n// LLM CALLS\n// ============================================================\nasync function callClaude(\n systemPrompt: string,\n userPrompt: string,\n maxTokens = 4096,\n): Promise {\n const res = await fetch(\"https://api.anthropic.com/v1/messages\", {\n method: \"POST\",\n headers: {\n \"Content-Type\": \"application/json\",\n \"x-api-key\": env(\"ANTHROPIC_API_KEY\"),\n \"anthropic-version\": \"2023-06-01\",\n },\n body: JSON.stringify({\n model: ANTHROPIC_MODEL,\n max_tokens: maxTokens,\n system: systemPrompt,\n messages: [{ role: \"user\", content: userPrompt }],\n }),\n });\n if (!res.ok) {\n const errText = await res.text();\n throw new Error(`Claude API error ${res.status}: ${errText}`);\n }\n const data = await res.json();\n return data.content[0].text;\n}\n\nasync function callOpenRouter(\n model: string,\n systemPrompt: string,\n userPrompt: string,\n maxTokens = 4096,\n): Promise {\n const res = await fetch(\"https://openrouter.ai/api/v1/chat/completions\", {\n method: \"POST\",\n headers: {\n \"Content-Type\": \"application/json\",\n \"Authorization\": `Bearer ${env(\"OPENROUTER_API_KEY\")}`,\n \"HTTP-Referer\": \"https://faxom.web.val.run\",\n \"X-Title\": \"learnYourWay\",\n },\n body: JSON.stringify({\n model,\n max_tokens: maxTokens,\n messages: [\n { role: \"system\", content: systemPrompt },\n { role: \"user\", content: userPrompt },\n ],\n }),\n });\n if (!res.ok) {\n const errText = await res.text();\n throw new Error(`OpenRouter ${model} error ${res.status}: ${errText}`);\n }\n const data = await res.json();\n return data.choices[0].message.content;\n}\n\nasync function callEnsemble(\n systemPrompt: string,\n userPrompt: string,\n maxTokens = 4096,\n): Promise<{ label: string; content: string; error?: string }[]> {\n const calls = ENSEMBLE_MODELS.map(async (m) => {\n try {\n const content = m.provider === \"anthropic\"\n ? await callClaude(systemPrompt, userPrompt, maxTokens)\n : await callOpenRouter(m.model, systemPrompt, userPrompt, maxTokens);\n return { label: m.label, content };\n } catch (err: any) {\n return { label: m.label, content: \"\", error: err.message };\n }\n });\n return await Promise.all(calls);\n}\n\n// ============================================================\n// PROMPT ASSEMBLY\n// ============================================================\n// Slims the curriculum context so Claude doesn't have to digest 100KB every brief.\n// Only passes the CURRENT phase/stage of each track, not the entire multi-year roadmap.\nfunction slimCurriculum(curriculum: any, student: any): any {\n const state = student.state || {};\n const completedIds = new Set(\n String(state.concepts_completed || \"\").split(\",\").map((s: string) =>\n s.trim()\n ).filter(Boolean),\n );\n const inProgressIds = new Set(\n String(state.concepts_in_progress || \"\").split(\",\").map((s: string) =>\n s.trim()\n ).filter(Boolean),\n );\n const activeVersion = state.active_version || \"v0\";\n const mathStageId = state.math_stage || \"stage_1_foundation\";\n const hardwarePhaseId = state.hardware_phase || \"phase_1_simulators\";\n\n // Concepts: include only completed, in-progress, and the NEXT ONE in line.\n // Strip verbose connection fields — the model will fill those from its own knowledge.\n const allConcepts = curriculum.concepts?.concepts || [];\n function stripConcept(c: any) {\n return {\n id: c.id,\n name: c.name,\n version: c.version,\n description: c.description,\n gate: c.gate,\n status: c.status,\n };\n }\n const relevantConcepts = allConcepts\n .filter((c: any) => completedIds.has(c.id) || inProgressIds.has(c.id))\n .map(stripConcept);\n const locked = allConcepts\n .filter((c: any) => !completedIds.has(c.id) && !inProgressIds.has(c.id))\n .slice(0, 1)\n .map(stripConcept);\n const slimConcepts = { concepts: [...relevantConcepts, ...locked] };\n\n // Math track: only the current stage plus next\n const mathStages = curriculum.math_track?.stages || [];\n const mathIdx = Math.max(\n 0,\n mathStages.findIndex((s: any) => s.id === mathStageId),\n );\n const slimMath = {\n philosophy: curriculum.math_track?.philosophy,\n math_gate_rule: curriculum.math_track?.math_gate_rule,\n weekly_math_minimum: curriculum.math_track?.weekly_math_minimum,\n stages: mathStages.slice(mathIdx, mathIdx + 2),\n };\n\n // Hardware track: only current phase plus next\n const hwPhases = curriculum.hardware_track?.phases || [];\n const hwIdx = Math.max(\n 0,\n hwPhases.findIndex((p: any) => p.id === hardwarePhaseId),\n );\n const slimHardware = {\n philosophy: curriculum.hardware_track?.philosophy,\n accountability_principle: curriculum.hardware_track\n ?.accountability_principle,\n phases: hwPhases.slice(hwIdx, hwIdx + 2),\n };\n\n // Biology track: only the phase that parallels current coding work\n const bioPhases = curriculum.biology_track?.phases || [];\n const currentBioPhase = bioPhases.find((p: any) => {\n const parallels = String(p.parallels_coding_concept || \"\");\n return Array.from(inProgressIds).some(\n (cid: string) => parallels.includes(cid.replace(\"concept_\", \"\")),\n );\n }) || bioPhases[0];\n const slimBiology = {\n philosophy: curriculum.biology_track?.philosophy,\n principle: curriculum.biology_track?.principle,\n anti_pattern: curriculum.biology_track?.anti_pattern,\n current_phase: currentBioPhase,\n };\n\n // Reading track: only currently unlocked tiers\n const readingTiers = curriculum.reading_track?.tiers || [];\n const versionOrder = [\"v0\", \"v0_5\", \"v1\", \"v2\", \"v3\", \"v4\"];\n const vIdx = versionOrder.indexOf(activeVersion);\n const slimReading = {\n philosophy: curriculum.reading_track?.philosophy,\n off_day_reading_substitutes: curriculum.reading_track\n ?.off_day_reading_substitutes,\n current_tiers: readingTiers.filter((t: any) => {\n const tv = String(t.unlocks_at || \"\").split(\"_in_progress\")[0];\n return versionOrder.indexOf(tv) <= vIdx;\n }),\n };\n\n return {\n spine: curriculum.spine,\n concepts: slimConcepts,\n brief_anatomy: curriculum.brief_anatomy,\n adaptation_rules: curriculum.adaptation_rules,\n math_track: slimMath,\n hardware_track: slimHardware,\n biology_track: slimBiology,\n reading_track: slimReading,\n // resources dropped - they're reference, model doesn't need them inline\n };\n}\n\nfunction buildContext(\n curriculum: any,\n student: any,\n briefType: string,\n extraParams: any = {},\n): string {\n const ctx = {\n today: new Date().toISOString().split(\"T\")[0],\n brief_type: briefType,\n student: {\n id: student.student_id,\n profile: student.intake,\n state: student.state,\n },\n recent_sessions: student.recent_sessions || [],\n recent_signals: student.recent_signals || [],\n curriculum: slimCurriculum(curriculum, student),\n extra: extraParams,\n };\n return JSON.stringify(ctx, null, 2);\n}\n\nfunction detectBriefType(student: any): string {\n // Auto-detect: weekly_review every 30 days, off_day if recent thin signals\n const sessions = student.recent_sessions || [];\n if (sessions.length > 0) {\n const lastSession = sessions[sessions.length - 1];\n const lastDate = new Date(lastSession.timestamp);\n const daysSince = (Date.now() - lastDate.getTime()) / (1000 * 60 * 60 * 24);\n if (daysSince > 14) return \"welcome_back\";\n if (daysSince > 7) return \"gentle_restart\";\n }\n // Check if it's been ~30 days since last review (would need a state field for this)\n return \"daily\";\n}\n\n// ============================================================\n// HTML RENDERING\n// ============================================================\nfunction wrapHtml(title: string, body: string, fanoutEnabled = true): string {\n return `\n\n\n\n\n${title}\n\n\n\n${body}\n${fanoutEnabled ? renderFanoutSection() : \"\"}\n${renderSessionLogSection()}\n\n\n`;\n}\n\nfunction getStudentIdFromUrl(): string {\n // This is a placeholder rendered server-side; we'll inject the actual ID\n return \"STUDENT_ID_PLACEHOLDER\";\n}\n\nfunction renderFanoutSection(): string {\n return `\n

\n Stuck? Ask three minds.\n

Get Claude, GPT-4o, and Gemini to each answer your question. Use this when one answer feels incomplete.

\n \n \n

`;\n}\n\nfunction renderSessionLogSection(): string {\n return `\n

\n Log this session\n

Capture today before you close. Fields write back to your sheet for tomorrow's brief.

\n\n Day number\n \n\n Concept worked on\n \n\n \n Wrote working code today\n \n \n Rebuilt yesterday's code from memory\n \n \n This was an off day (low energy)\n \n\n Math minutes\n \n\n Today's win\n \n\n What confused you\n \n\n Insight from today\n \n\n Felt thin\n \n\n Felt strong\n \n\n Next action\n \n\n Notes\n \n\n \n

`;\n}\n\nfunction injectStudentId(html: string, studentId: string): string {\n return html.split(\"STUDENT_ID_PLACEHOLDER\").join(studentId);\n}\n\n// ============================================================\n// BRIEF GENERATORS\n// ============================================================\nasync function generateDailyBrief(\n student: any,\n curriculum: any,\n): Promise {\n const systemPrompt = curriculum.prompts.daily_brief;\n const context = buildContext(curriculum, student, \"daily\");\n const userPrompt = `Generate today's daily brief.\n\nCONTEXT:\n${context}\n\nOutput ONLY the inner HTML body content (no , , ,

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