···11-# Hybrid Approach: Rules + AI for Unknown States
22-33-## Overview
44-55-The **hybrid approach** (`filter-hybrid.gscript`) combines the best of both worlds:
66-77-- ✅ **Fast rule-based classification** for known patterns (100% accuracy, instant)
88-- ✅ **AI fallback** for uncertain/unknown cases (adaptability)
99-- ✅ **Confidence-based routing** (only call AI when needed)
1010-1111-## How It Works
1212-1313-```
1414-Email arrives
1515- ↓
1616-┌─────────────────────────┐
1717-│ 1. Rule-Based Classifier│ (instant, free)
1818-└─────────────────────────┘
1919- ↓
2020-Confidence ≥ 0.5?
2121- ├─ YES → Use rules result (fast path) ✅
2222- │ ~90% of emails take this path
2323- ↓
2424- └─ NO → Ask AI (slow path) 🤖
2525- ~10% of emails need AI
2626- ↓
2727- AI verifies + strict overrides
2828- ↓
2929- Final decision
3030-```
3131-3232-## Performance Comparison
3333-3434-| Approach | Speed | Cost | Accuracy | Adaptability |
3535-|----------|-------|------|----------|--------------|
3636-| **Rules-only** | ⚡⚡⚡ | Free | 100%* | ❌ |
3737-| **AI-only** | ⚡ | $$ | ~85-90% | ✅ |
3838-| **Hybrid** (recommended) | ⚡⚡ | $ | 100%* | ✅ |
3939-4040-*100% on known patterns
4141-4242-## When AI is Used
4343-4444-The AI is **only called** when:
4545-4646-1. ✅ Confidence < 0.5 (uncertain cases)
4747-2. ✅ AI_API_KEY is set
4848-3. ✅ Not rate limited
4949-4. ✅ Within execution limits
5050-5151-Examples of uncertain emails (AI needed):
5252-- Unusual scholarship formats
5353-- New types of college communications
5454-- Edge cases not in training data
5555-- Complex multi-topic emails
5656-5757-Examples of certain emails (rules-only):
5858-- Security alerts (100% match)
5959-- Application confirmations (100% match)
6060-- Newsletter spam (100% match)
6161-- Marketing emails (100% match)
6262-6363-## Configuration
6464-6565-### Confidence Threshold
6666-6767-```javascript
6868-const AI_CONFIDENCE_THRESHOLD = 0.5; // Adjust this
6969-```
7070-7171-- **Lower (0.3)**: More AI calls, more adaptable
7272-- **Higher (0.7)**: Fewer AI calls, faster/cheaper
7373-- **Recommended: 0.5** - Good balance
7474-7575-### Other Settings
7676-7777-```javascript
7878-const MAX_THREADS_PER_RUN = 75; // Process up to 75/run
7979-const MAX_AI_CALLS_PER_HOUR = 100; // Rate limit for AI
8080-```
8181-8282-## Statistics & Logging
8383-8484-The hybrid script tracks:
8585-8686-```
8787-Summary:
8888- RulesOnly=45 # Emails classified by rules alone
8989- AICalls=5 # Emails that needed AI
9090- Uncertain=5 # Low confidence cases
9191- AppliedInbox=8
9292- AppliedFiltered=42
9393-```
9494-9595-**Logs show decision path:**
9696-9797-```
9898-[Thread abc] RULES-ONLY Relevant=false Confidence=0.95 Reason="Marketing/newsletter"
9999-[Thread def] LOW CONFIDENCE (0.3) - Asking AI...
100100-[Thread def] AI RESULT Relevant=true Reason="Scholarship info" (Rules suggested: false)
101101-```
102102-103103-## Migration from AI-Only
104104-105105-If you're using the original AI-based script:
106106-107107-1. **Backup** current script
108108-2. **Copy** `filter-hybrid.gscript`
109109-3. **Keep** your existing `AI_API_KEY`
110110-4. **Test** with `DRY_RUN = true`
111111-5. **Go live** when satisfied
112112-113113-**Benefits:**
114114-- 20x faster for most emails (rules)
115115-- 90% reduction in AI calls
116116-- Still adaptive for edge cases
117117-- Same accuracy guarantees
118118-119119-## Migration from Rules-Only
120120-121121-If you want to add AI adaptability:
122122-123123-1. **Copy** `filter-hybrid.gscript`
124124-2. **Set** `AI_API_KEY` in Script Properties
125125-3. **Test** with `DRY_RUN = true`
126126-4. **Adjust** `AI_CONFIDENCE_THRESHOLD` if needed
127127-128128-**Benefits:**
129129-- Handles unknown email types
130130-- Learns from edge cases
131131-- More robust over time
132132-133133-## Choosing the Right Approach
134134-135135-### Use **Rules-Only** (`filter-optimized.gscript`) if:
136136-- ✅ You want maximum speed (20x faster)
137137-- ✅ You want zero cost (free, unlimited)
138138-- ✅ Your email patterns are consistent
139139-- ✅ You'll label edge cases manually
140140-141141-### Use **Hybrid** (`filter-hybrid.gscript`) if:
142142-- ✅ You want adaptability for unknown states
143143-- ✅ College emails change formats frequently
144144-- ✅ You want AI as safety net
145145-- ✅ You're okay with small AI cost (~10% of emails)
146146-147147-### Use **AI-Only** (original `filter.gscript`) if:
148148-- ✅ You don't want to maintain rules
149149-- ✅ Cost/speed isn't a concern
150150-- ✅ You prefer black-box approach
151151-152152-**Recommendation: Hybrid** - Best of both worlds!
153153-154154-## Monitoring & Tuning
155155-156156-### Watch for High Uncertainty
157157-158158-If logs show many `Uncertain` emails:
159159-160160-```
161161-INFO: 15 emails had low confidence. Consider labeling them to improve rules.
162162-```
163163-164164-**Action**: Label those emails and update rules:
165165-1. Export uncertain emails
166166-2. Label in web interface (`bun label`)
167167-3. Run `bun evaluate` to check accuracy
168168-4. Update patterns in classifier
169169-5. Re-deploy hybrid script
170170-171171-### Adjust Threshold
172172-173173-Track `RulesOnly` vs `AICalls` ratio:
174174-175175-- **Want faster**: Increase threshold to 0.6-0.7
176176-- **Want more adaptive**: Decrease to 0.3-0.4
177177-- **Balanced**: Keep at 0.5
178178-179179-## Cost Estimates
180180-181181-Based on typical college email volume:
182182-183183-| Emails/day | AI calls (10%) | Cost/month* |
184184-|------------|----------------|-------------|
185185-| 50 | 5/day | ~$0.50 |
186186-| 100 | 10/day | ~$1.00 |
187187-| 200 | 20/day | ~$2.00 |
188188-189189-*Assuming $0.001 per AI call (varies by provider)
190190-191191-Compare to:
192192-- **Rules-only**: $0/month
193193-- **AI-only**: $5-20/month
194194-195195-## Troubleshooting
196196-197197-### "Too many AI calls"
198198-199199-**Symptoms**: Logs show `AICalls` close to total emails
200200-201201-**Causes**:
202202-- Threshold too low
203203-- Rules not matching well
204204-- Many edge cases
205205-206206-**Solutions**:
207207-1. Increase `AI_CONFIDENCE_THRESHOLD` to 0.6
208208-2. Review uncertain emails and add rules
209209-3. Check if patterns need updating
210210-211211-### "Missing important emails"
212212-213213-**Symptoms**: Relevant emails going to filtered
214214-215215-**Causes**:
216216-- Rules returning low confidence
217217-- AI making wrong decision
218218-219219-**Solutions**:
220220-1. Check logs for those emails
221221-2. Add specific patterns to rules
222222-3. Adjust strict overrides in `enforceStrictRules_()`
223223-224224-### "Still getting spam"
225225-226226-**Symptoms**: Marketing emails in inbox
227227-228228-**Causes**:
229229-- New spam patterns not in rules
230230-- AI being too lenient
231231-232232-**Solutions**:
233233-1. Label those emails as not relevant
234234-2. Add patterns to `checkIrrelevant_()`
235235-3. Lower confidence for unknown emails
236236-237237-## Best Practices
238238-239239-1. **Start with hybrid** - Get benefits of both
240240-2. **Monitor stats** - Watch RulesOnly vs AICalls ratio
241241-3. **Label edge cases** - Improve rules over time
242242-4. **Tune threshold** - Based on your needs
243243-5. **Review logs** - Weekly check for patterns
244244-245245-## Example Log Output
246246-247247-```
248248-[2025-12-05 10:15:30] Processing up to 50 threads
249249-[Thread 123] RULES-ONLY Relevant=false Confidence=0.95 Reason="Newsletter" Subject="Campus Events This Week"
250250- Applied: Added "College/Filtered" and archived
251251-[Thread 124] RULES-ONLY Relevant=true Confidence=1.0 Reason="Security alert" Subject="Password Reset Required"
252252- Applied: Removed "College/Auto" and moved to Inbox
253253-[Thread 125] LOW CONFIDENCE (0.3) - Asking AI... Subject="Your Future at State U"
254254-[Thread 125] AI RESULT Relevant=false Reason="Generic marketing" (Rules suggested: false)
255255- Applied: Added "College/Filtered" and archived (AI verified)
256256-257257-Summary: RulesOnly=48, AICalls=2, Uncertain=2, AppliedInbox=8, AppliedFiltered=42
258258-```
259259-260260-Perfect balance! 96% handled by rules, 4% needed AI.
-185
MIGRATION_GUIDE.md
···11-# Migration Guide: Old GScript → New Optimized GScript
22-33-## Overview
44-55-The new `filter-optimized.gscript` replaces the AI-based classifier with a **100% accurate rule-based classifier** learned from your labeled data. No AI API needed!
66-77-## Key Improvements
88-99-| Feature | Old (AI-based) | New (Rule-based) |
1010-|---------|---------------|------------------|
1111-| **Accuracy** | Variable (depends on AI) | 100% on test data |
1212-| **Speed** | 1-15 seconds per email | <100ms per email |
1313-| **Cost** | API calls (rate limited) | Free, unlimited |
1414-| **Reliability** | AI failures, rate limits | Deterministic |
1515-| **Emails/run** | 50 (rate limits) | 100+ (no limits) |
1616-1717-## Migration Steps
1818-1919-### 1. Backup Current Script
2020-2121-1. Open your Google Apps Script project
2222-2. Click **File → Make a copy**
2323-3. Name it "College Email Filter - Backup"
2424-2525-### 2. Replace Script
2626-2727-1. Open your original script
2828-2. Select all code (Cmd+A / Ctrl+A)
2929-3. Delete it
3030-4. Copy the entire contents of `filter-optimized.gscript`
3131-5. Paste into your script
3232-6. Click **Save** (💾 icon)
3333-3434-### 3. Configure Settings
3535-3636-At the top of the script, adjust these if needed:
3737-3838-```javascript
3939-const AUTO_LABEL_NAME = "College/Auto"; // Your auto label
4040-const FILTERED_LABEL_NAME = "College/Filtered"; // Your filtered label
4141-const DRY_RUN = false; // Set true to test first
4242-const MAX_THREADS_PER_RUN = 100; // Process up to 100/run
4343-```
4444-4545-### 4. Test in Dry Run Mode
4646-4747-Before going live:
4848-4949-```javascript
5050-const DRY_RUN = true; // Change to true
5151-```
5252-5353-1. Save the script
5454-2. Run `runTriage` function
5555-3. Check logs (View → Logs)
5656-4. Verify decisions are correct
5757-5858-Example log output:
5959-```
6060-[Thread abc123] Relevant=false Confidence=0.95 Reason="Marketing/newsletter..."
6161- DRY_RUN: Would add "College/Filtered" and keep archived
6262-```
6363-6464-### 5. Go Live
6565-6666-Once satisfied with dry run:
6767-6868-```javascript
6969-const DRY_RUN = false; // Change to false
7070-```
7171-7272-1. Save the script
7373-2. Run `ensureLabels` once
7474-3. Run `runTriage` to process emails
7575-4. Check your inbox and College/Filtered label
7676-7777-### 6. Set Up Trigger (if not already)
7878-7979-```javascript
8080-setupTriggers(); // Run this function once
8181-```
8282-8383-This creates a trigger to run `runTriage` every 10 minutes automatically.
8484-8585-## What Changed
8686-8787-### Removed
8888-8989-- ✂️ AI API calls (`classifyWithAI_`, `classifyWithAIRetry_`)
9090-- ✂️ Rate limiting code (no longer needed)
9191-- ✂️ AI-specific error handling
9292-- ✂️ `AI_API_KEY` property requirement
9393-- ✂️ 1-second delays between emails
9494-9595-### Added
9696-9797-- ✅ `classifyEmail_()` - TypeScript-based classifier
9898-- ✅ Individual check functions for each category
9999-- ✅ Specific pattern matching (100% accuracy)
100100-- ✅ Faster processing (no API delays)
101101-- ✅ Increased `MAX_THREADS_PER_RUN` to 100
102102-103103-### Kept
104104-105105-- ✅ Same label structure (College/Auto, College/Filtered)
106106-- ✅ Same fail-safe behavior (errors → inbox)
107107-- ✅ Same dry run mode for testing
108108-- ✅ Same logging format
109109-- ✅ Same trigger setup
110110-111111-## Validation
112112-113113-After migration, verify:
114114-115115-1. **Labels exist**: Check Gmail for `College/Auto` and `College/Filtered`
116116-2. **Dry run works**: Run with `DRY_RUN=true`, check logs
117117-3. **Live run works**: Run with `DRY_RUN=false`, check results
118118-4. **Trigger active**: Check **Edit → Current project's triggers**
119119-120120-## Troubleshooting
121121-122122-### "No threads under College/Auto"
123123-124124-**Solution**: Make sure emails are labeled with `College/Auto` first. The script only processes emails with this label.
125125-126126-### Emails not being classified correctly
127127-128128-**Possible causes**:
129129-1. Email is edge case not in training data
130130-2. Pattern needs refinement
131131-132132-**Solution**:
133133-1. Export the email
134134-2. Label it in the labeling interface
135135-3. Run `bun evaluate` to see if accuracy drops
136136-4. Update patterns in classifier
137137-5. Re-generate GScript
138138-139139-### Script timeout
140140-141141-**Rare** - only if you have thousands of emails queued.
142142-143143-**Solution**:
144144-- Reduce `MAX_THREADS_PER_RUN` to 50
145145-- Let it run multiple times to catch up
146146-147147-## Performance Comparison
148148-149149-Based on typical usage:
150150-151151-| Metric | Old (AI) | New (Rules) | Improvement |
152152-|--------|----------|-------------|-------------|
153153-| Processing time/email | ~2s | ~0.1s | **20x faster** |
154154-| Emails per 6min run | ~50 | ~100+ | **2x more** |
155155-| API costs | $$ | Free | **100% savings** |
156156-| Accuracy | ~85-90% | 100% | **10-15% better** |
157157-| Rate limit issues | Yes | No | **Zero downtime** |
158158-159159-## Rollback Plan
160160-161161-If you need to revert:
162162-163163-1. Open "College Email Filter - Backup" (your backup copy)
164164-2. Copy all code
165165-3. Paste into original script
166166-4. Save
167167-5. Re-run `setupTriggers()` if needed
168168-169169-## Support
170170-171171-If you encounter issues:
172172-173173-1. Check the logs: **View → Logs**
174174-2. Run in dry run mode to debug
175175-3. Check the labeled data for similar examples
176176-4. Update patterns in the TypeScript classifier and re-generate
177177-178178-## Next Steps
179179-180180-After successful migration:
181181-182182-1. **Monitor** - Watch logs for first few days
183183-2. **Label edge cases** - Use `bun label` for any misclassified emails
184184-3. **Re-train** - Run `bun evaluate` and update patterns as needed
185185-4. **Enjoy** - 100% accuracy, zero cost, faster processing! 🎉
+110-100
README.md
···11# College Email Spam Filter
2233-A TypeScript-based email classifier that filters college spam emails with **100% accuracy** on the test dataset.
33+Intelligent email classifier that automatically filters college marketing spam while keeping important emails in your inbox.
44+55+**Current Performance**: 100% accuracy on 58 labeled emails
4655-## Features
77+## Quick Start
6877-- **Rule-based classification** learned from manually labeled examples
88-- **Comprehensive test suite** with 27 unit tests
99-- **100% accuracy** on 56 labeled emails (5 relevant, 51 spam)
1010-- **Perfect precision and recall** (100% each)
99+```bash
1010+# Install dependencies
1111+bun install
1212+1313+# Run tests
1414+bun test
1515+1616+# Evaluate classifier
1717+bun run evaluate
11181212-## What Gets Marked as Relevant
1919+# Generate GScript for Gmail
2020+bun run generate-gscript
2121+# → Creates build/filter-hybrid.gs
2222+```
13231414-The classifier marks emails as relevant when they are:
2424+## What Gets Filtered vs Kept
15251616-1. **Security/Account Alerts** - Password resets, account locked, verification codes
1717-2. **Application Confirmations** - Application received, enrollment confirmed
1818-3. **Accepted Student Info** - Portal access, deposit reminders (for schools you applied to)
1919-4. **Dual Enrollment** - Course registration, schedules, deletions
2020-5. **Actual Scholarship Awards** - When you've actually won a scholarship
2121-6. **Financial Aid Ready** - Award letters available to review
2222-7. **Specific Scholarship Opportunities** - Named scholarships for accepted students
2626+### ✅ Kept in Inbox
2727+- Security alerts (password resets, account issues)
2828+- Application confirmations
2929+- Enrollment confirmations
3030+- Scholarships actually awarded
3131+- Financial aid offers ready to view
3232+- Dual enrollment course information
3333+- Accepted student portal access
23342424-## What Gets Filtered
3535+### 🗑️ Filtered Out
3636+- Marketing emails and newsletters
3737+- Unsolicited college outreach
3838+- Application reminders (haven't applied)
3939+- Scholarship eligibility (not awarded)
4040+- FAFSA reminders
4141+- Campus tours and events
4242+- Deadline extensions
25432626-Everything else is marked as spam:
4444+## How It Works
27452828-- Marketing newsletters and blog posts
2929-- Unsolicited outreach from schools you haven't applied to
3030-- "Priority deadline extended" spam
3131-- Summer camps and events
3232-- Scholarship "held for you" / "eligible" / "consideration" emails
3333-- FAFSA reminders and general financial aid info
3434-- Campus tours, open houses, etc.
4646+1. **TypeScript Classifier** (`src/classifier.ts`) - Source of truth, rule-based patterns
4747+2. **GScript Generator** (`src/generate-gscript.ts`) - Converts TS to Apps Script
4848+3. **Gmail Automation** (`build/filter-hybrid.gs`) - Runs in Gmail every 10 minutes
35493636-## Installation
5050+### Architecture
37513838-```bash
3939-bun install
4052```
4141-4242-## Usage
5353+TypeScript Classifier (100% accurate patterns)
5454+ ↓
5555+GScript Generator
5656+ ↓
5757+Google Apps Script (build/filter-hybrid.gs)
5858+ ↓
5959+Gmail Auto-Filtering
6060+```
43614444-### Label New Emails
6262+## Workflow for Improving the Classifier
45634646-1. Export emails from Gmail to JSON
4747-2. Run the labeling interface:
6464+See [docs/WORKFLOW.md](docs/WORKFLOW.md) for detailed instructions.
48654966```bash
5050-bun label
5151-```
6767+# 1. Export emails from Gmail (run in Apps Script console)
6868+exportEmailsToDrive()
52695353-3. Open http://localhost:3000 and label emails using keyboard shortcuts:
5454- - `Y` - Mark as relevant
5555- - `N` - Mark as not relevant
5656- - `S` - Skip
5757- - `1/2/3` - Set confidence level
7070+# 2. Label them interactively
7171+bun run label new-emails.json
58725959-### Run Tests
7373+# 3. Import and evaluate
7474+bun run import new-emails-labeled.json
7575+7676+# 4. If failures, update src/classifier.ts
60776161-```bash
7878+# 5. Test and deploy
6279bun test
8080+bun run generate-gscript
8181+# Copy build/filter-hybrid.gs to Apps Script
6382```
64836565-### Evaluate Performance
8484+## Project Structure
66856767-```bash
6868-bun evaluate
6986```
8787+src/
8888+ classifier.ts - Main classifier logic (TypeScript)
8989+ classifier.test.ts - Unit tests
9090+ types.ts - TypeScript types
9191+ evaluate.ts - Evaluation tool
9292+ generate-gscript.ts - TS → GScript generator
9393+ label.ts - Interactive labeling CLI
9494+ import-labeled.ts - Import labeled emails
70957171-This runs the classifier on all labeled emails and shows:
7272-- Accuracy, precision, recall, F1 score
7373-- False positives and false negatives
7474-- Detailed failure analysis
9696+scripts/
9797+ export-from-label.gs - Export emails from Gmail
75987676-### Classify Single Email
9999+build/ - Generated files (gitignored)
100100+ filter-hybrid.gs - Generated Gmail automation script
771017878-```typescript
7979-import { classifyEmail } from "./classifier";
102102+data/
103103+ labeled-emails.json - Main labeled dataset (58 emails)
104104+ example-export.json - Example unlabeled export
801058181-const result = classifyEmail({
8282- subject: "Your Accepted Portal Is Ready",
8383- from: "admissions@university.edu",
8484- to: "you@example.com",
8585- cc: "",
8686- body: "Congratulations! Access your personalized portal..."
8787-});
106106+docs/
107107+ WORKFLOW.md - Detailed workflow guide
108108+```
881098989-console.log(result.pertains); // true
9090-console.log(result.reason); // "Accepted student portal/deposit information"
9191-console.log(result.confidence); // 0.95
9292-```
110110+## Development
931119494-## Test Results
112112+### Running Tests
951139696-```
9797-Total test cases: 56
9898-Correct: 56 (100.0%)
9999-Incorrect: 0
114114+```bash
115115+# Unit tests
116116+bun test
100117101101-Accuracy: 100.0%
102102-Precision: 100.0%
103103-Recall: 100.0%
104104-F1 Score: 100.0%
118118+# Full evaluation on labeled dataset
119119+bun run evaluate
105120```
106121107107-## Project Structure
108108-109109-```
110110-.
111111-├── classifier.ts # Main email classification logic
112112-├── classifier.test.ts # Unit tests
113113-├── evaluate.ts # Evaluation script
114114-├── index.ts # Labeling web interface
115115-├── types.ts # Shared TypeScript types
116116-├── filter.gscript # Original Google Apps Script (reference)
117117-├── college_emails_export_2025-12-05_labeled.json # Labeled training data
118118-└── test_suite.json # Exported test cases
119119-```
122122+### Adding New Patterns
120123121121-## Integration with Google Apps Script
124124+1. Update `src/classifier.ts`
125125+2. Add tests in `src/classifier.test.ts`
126126+3. Run `bun test` to verify
127127+4. Run `bun run generate-gscript` to update GScript
128128+5. Deploy `build/filter-hybrid.gs` to Gmail Apps Script
122129123123-The classifier has been ported to Google Apps Script! See `filter-optimized.gscript`.
130130+### Metrics
124131125125-**Migration Guide**: See `MIGRATION_GUIDE.md` for step-by-step instructions.
132132+- **Accuracy**: 100% (58/58 emails)
133133+- **Precision**: 100% (no false positives)
134134+- **Recall**: 100% (no false negatives)
135135+- **F1 Score**: 100%
126136127127-**Key benefits**:
128128-- 100% accuracy (same as TypeScript version)
129129-- No AI API needed (free, unlimited)
130130-- 20x faster processing
131131-- Zero rate limits
132132-- Drop-in replacement for existing script
137137+## Gmail Deployment
133138134134-## Contributing
139139+1. Run `bun run generate-gscript`
140140+2. Open [Google Apps Script](https://script.google.com)
141141+3. Create new project
142142+4. Copy contents of `build/filter-hybrid.gs`
143143+5. Copy contents of `scripts/export-from-label.gs` (for exporting emails)
144144+6. Set `DRY_RUN = false` when ready
145145+7. Run `setupTriggers()` to enable auto-filtering
146146+8. Run `ensureLabels()` to create required labels
135147136136-To improve the classifier:
148148+## Requirements
137149138138-1. Label more examples using `bun label`
139139-2. Run `bun evaluate` to check accuracy
140140-3. Add failing cases to the test suite
141141-4. Update rules in `classifier.ts`
142142-5. Re-run tests until 100% accuracy
150150+- [Bun](https://bun.sh) runtime
151151+- Gmail account
152152+- Google Apps Script (for Gmail automation)
143153144154## License
145155
-162
SUMMARY.md
···11-# Email Labeler & Classifier System - Summary
22-33-## What Was Built
44-55-A complete email classification system with:
66-77-1. **TypeScript Classifier** (`classifier.ts`)
88- - Rule-based email classification
99- - 100% accuracy on test dataset
1010- - 6 categories of relevant emails
1111- - Extensive spam filtering rules
1212-1313-2. **Web-based Labeling Interface** (`index.ts`)
1414- - Label emails as relevant/not relevant
1515- - Keyboard shortcuts for speed
1616- - Auto-save progress
1717- - Export test suite
1818-1919-3. **Comprehensive Test Suite** (`classifier.test.ts`)
2020- - 27 unit tests
2121- - Tests for all email categories
2222- - Edge case handling
2323-2424-4. **Evaluation Framework** (`evaluate.ts`)
2525- - Accuracy, precision, recall, F1 score
2626- - False positive/negative analysis
2727- - Detailed failure reports
2828-2929-## Test Results
3030-3131-**Perfect Score on All Metrics:**
3232-3333-```
3434-Total test cases: 56
3535-Correct: 56 (100.0%)
3636-Incorrect: 0
3737-3838-Accuracy: 100.0%
3939-Precision: 100.0% (of predicted relevant, % correct)
4040-Recall: 100.0% (of actual relevant, % found)
4141-F1 Score: 100.0%
4242-```
4343-4444-## Email Classification Rules
4545-4646-### ✅ Marked as Relevant
4747-4848-1. **Security/Account Alerts**
4949- - Password resets, account locked
5050- - Verification codes, 2FA
5151- - Suspicious activity alerts
5252-5353-2. **Application Confirmations**
5454- - Application received/submitted
5555- - Enrollment confirmation
5656-5757-3. **Accepted Student Information**
5858- - Portal access for accepted students
5959- - Deposit reminders
6060- - Enrollment deadlines
6161-6262-4. **Dual Enrollment**
6363- - Course registration/deletion
6464- - Schedule information
6565-6666-5. **Scholarship Awards**
6767- - Actually awarded scholarships
6868- - Specific named scholarship opportunities
6969-7070-6. **Financial Aid Ready**
7171- - Award letters available to review
7272- - Financial aid package posted
7373-7474-### ❌ Filtered as Spam
7575-7676-- Marketing newsletters and blog posts
7777-- Unsolicited outreach (schools you haven't applied to)
7878-- Priority deadline extensions
7979-- Summer camps and events
8080-- Scholarship "held for you" / "eligible" marketing
8181-- FAFSA reminders
8282-- Campus tours, open houses
8383-- General promotional content
8484-8585-## File Structure
8686-8787-```
8888-filter-college-spam/
8989-├── classifier.ts # Main classifier
9090-├── classifier.test.ts # Unit tests
9191-├── evaluate.ts # Evaluation script
9292-├── index.ts # Labeling web interface
9393-├── types.ts # TypeScript types
9494-├── generate-gscript.ts # GScript generator
9595-├── package.json # Dependencies & scripts
9696-├── README.md # Documentation
9797-├── SUMMARY.md # This file
9898-├── filter.gscript # Original GScript (reference)
9999-├── college_emails_export_2025-12-05.json # Raw email exports
100100-├── college_emails_export_2025-12-05_labeled.json # Labeled data (56 emails)
101101-└── test_suite.json # Exported test cases
102102-```
103103-104104-## Quick Start Commands
105105-106106-```bash
107107-# Run all tests
108108-bun test
109109-110110-# Evaluate on labeled data
111111-bun evaluate
112112-113113-# Label new emails
114114-bun label
115115-116116-# Generate GScript version
117117-bun generate-gscript
118118-```
119119-120120-## How It Works
121121-122122-1. **Rule-Based Classification**: Uses regex patterns learned from manually labeled examples
123123-2. **Hierarchical Checking**: Security alerts checked first, then student actions, then marketing
124124-3. **Negative Pattern Matching**: Explicitly excludes false positives (e.g., "scholarship held for you")
125125-4. **Confidence Scores**: Each classification includes confidence (0-1)
126126-127127-## Integration with Gmail
128128-129129-The original `filter.gscript` can be enhanced by:
130130-131131-1. **Option A - Local Rules**: Port the TypeScript patterns to GScript (no AI needed)
132132-2. **Option B - Hybrid**: Use local rules for most emails, AI for edge cases
133133-3. **Option C - API**: Host classifier as serverless function, call from GScript
134134-135135-## Key Insights from Labeled Data
136136-137137-Out of 56 labeled emails:
138138-- **5 relevant** (8.9%) - Mostly dual enrollment and accepted student info
139139-- **51 spam** (91.1%) - Vast majority is marketing
140140-141141-Most common spam types:
142142-- Priority deadline extensions
143143-- Newsletter/blog posts
144144-- Unsolicited outreach
145145-- Summer camps
146146-- Scholarship "held for you" marketing
147147-148148-## Next Steps
149149-150150-1. **Deploy to Gmail**: Integrate with existing GScript
151151-2. **Monitor Performance**: Track false positives/negatives in production
152152-3. **Continuous Learning**: Label more edge cases as they appear
153153-4. **A/B Testing**: Compare with AI-based approach
154154-155155-## Success Metrics
156156-157157-- ✅ 100% accuracy on test data
158158-- ✅ Zero false negatives (won't miss important emails)
159159-- ✅ Zero false positives (no spam in inbox)
160160-- ✅ Full test coverage with 27 unit tests
161161-- ✅ Fast classification (no API calls needed)
162162-- ✅ Deterministic results (same email = same classification)
+2-2
classifier.test.ts
src/classifier.test.ts
···11import { describe, test, expect } from "bun:test";
22-import { EmailClassifier } from "./classifier";
33-import type { EmailInput } from "./types";
22+import { EmailClassifier } from "./classifier.ts";
33+import type { EmailInput } from "./types.ts";
4455const classifier = new EmailClassifier();
66
+1-1
classifier.ts
src/classifier.ts
···11// Email classifier using rule-based approach learned from labeled data
2233-import type { EmailInput, ClassificationResult } from "./types";
33+import type { EmailInput, ClassificationResult } from "./types.ts";
4455export class EmailClassifier {
66 classify(email: EmailInput): ClassificationResult {
···1010 "to": "Kieran Klukas <pulp-flint-maybe@duck.com>",
1111 "cc": "",
1212 "date": "2025-12-07T13:26:30.000Z",
1313- "body": "Dear Kieran,\r\n\r\n \r\n\r\nI want to make sure you know you are on Lake Erie College's radar!\r\nYou're invited to submit your STORM Application [\r\nhttps://my.lec-info.org/f/r/b6eb082ea781c763d6a1486cc?ct=YTo3OntzOjY6InNvdXJjZSI7YToyOntpOjA7czoxNDoiY2FtcGFpZ24uZXZlbnQiO2k6MTtpOjY3Mjt9czo1OiJlbWFpbCI7aToyNDI7czo0OiJzdGF0IjtzOjIyOiI2OTM1ODA3ZjJkNjk0NzMwODAxNjQwIjtzOjk6InNlbnRfdGltZSI7aToxNzY1MTEzOTgzO3M6NDoibGVhZCI7czo2OiI0NTY4MzUiO3M6NzoiY2hhbm5lbCI7YToxOntzOjU6ImVtYWlsIjtpOjI0Mjt9czoyNDoibXRjX3JlZGlyZWN0X2Rlc3RpbmF0aW9uIjtzOjE5NToiaHR0cHM6Ly9hcHBseS5sZWMtaW5mby5vcmcvP3V0bV9jYW1wYWlnbj1mYXN0JnV0bV9zb3VyY2U9ZW5yb2xsMzYwX2FwcGx5JnV0bV9tZWRpdW09ZW1haWwmdXRtX2NvbnRlbnQ9YXBwbHkmdG5udD0zZjIwYzNiNi05MzliLTQ2OWYtOGY0NC1kNmY5MmY1ZWIyNTEmVVRNX3JjcmQ9YWFiNTFmN2QtZDA2Zi00M2M3LThiMDAtNDhjMDlkNDlmNmNkIjt9&\r\n] as soon as possible.\r\n\r\n \r\n\r\nTo make applying easier, we ask for no application fee and test scores\r\nare optional. Plus, we won't keep you waiting – you'll receive an\r\nadmission decision within two weeks of submitting your application\r\nmaterials. You'll also be considered for scholarships automatically.\r\n\r\n \r\n\r\nYou may even apply to LEC with the Common App [\r\nhttps://my.lec-info.org/f/r/920c18dda092b99178974d904?ct=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%3D%3D&\r\n] if you prefer. You'll enjoy all the advantages mentioned above.\r\n\r\n \r\n\r\nI chose you to apply because you seem like someone who wants to see\r\nthe world become a better place, and LEC won't ask you to abandon that\r\nvision. We base our curriculum around the idea that you _can_ effect\r\nchange, and we'll help you develop the skills that make action happen.\r\n\r\n \r\n\r\nThat's a long way of saying: _You'll take the world by storm,\r\nKieran._\r\n\r\n \r\n\r\nI can't wait to learn more about you when I receive your STORM\r\nApplication [\r\nhttps://my.lec-info.org/f/r/b6eb082ea781c763d6a1486cc?ct=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&\r\n] or the Common App [\r\nhttps://my.lec-info.org/f/r/920c18dda092b99178974d904?ct=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%3D%3D&\r\n]. \r\n\r\n \r\n\r\nSincerely,\r\n\r\nAshley Mayse, MBA\r\nVice President for Enrollment\r\nLake Erie College\r\n391 W Washington St\r\nPainesville, Ohio 44077\r\n\r\n[\r\nhttps://my.lec-info.org/f/r/f616f8bda0b4f167497b5a61b?ct=YTo3OntzOjY6InNvdXJjZSI7YToyOntpOjA7czoxNDoiY2FtcGFpZ24uZXZlbnQiO2k6MTtpOjY3Mjt9czo1OiJlbWFpbCI7aToyNDI7czo0OiJzdGF0IjtzOjIyOiI2OTM1ODA3ZjJkNjk0NzMwODAxNjQwIjtzOjk6InNlbnRfdGltZSI7aToxNzY1MTEzOTgzO3M6NDoibGVhZCI7czo2OiI0NTY4MzUiO3M6NzoiY2hhbm5lbCI7YToxOntzOjU6ImVtYWlsIjtpOjI0Mjt9czoyNDoibXRjX3JlZGlyZWN0X2Rlc3RpbmF0aW9uIjtzOjE5OToiaHR0cHM6Ly93d3cubGVjLmVkdS8%2FdXRtX2NhbXBhaWduPWNyb3NzJnV0bV9zb3VyY2U9ZW5yb2xsMzYwJnV0bV9tZWRpdW09ZW1haWwmdXRtX2NvbnRlbnQ9bGVhcm4mdXRtX3Rlcm09c2lnbmVyJnRubnQ9M2YyMGMzYjYtOTM5Yi00NjlmLThmNDQtZDZmOTJmNWViMjUxJlVUTV9yY3JkPWFhYjUxZjdkLWQwNmYtNDNjNy04YjAwLTQ4YzA5ZDQ5ZjZjZCI7fQ%3D%3D&\r\n]\r\n\r\nP.S. Whether you want a career in communication or chemistry, we're\r\ndedicated to guiding you on your path to self-discovery, creative\r\nproblem-solving, and personal development, all with an eye for ethical\r\nbalance. If you have any questions, be sure to give our Office of\r\nAdmission a call at (440) 375-7050.\r\n\r\nWe received your information from\r\nyour Appily college research.\r\n\r\nBrowse to https://my.lec-info.org/email/unsubscribe/6935807f2d694730801640/pulp-flint-maybe@duck.com/616a252b90a4e6b2f4455568ce8ade8218104236e64a47c627d0bdd521c6a231 to no longer receive emails from this company.\r\n",
1414- "labels": [
1515- "College/Auto"
1616- ],
1717- "is_in_inbox": false
1313+ "body": "Dear Kieran,\r\n\r\n \r\n\r\nI want to make sure you know you are on Lake Erie College's radar!\r\nYou're invited to submit your STORM Application [\r\nhttps://my.lec-info.org/f/r/b6eb082ea781c763d6a1486cc?ct=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&\r\n] as soon as possible.\r\n\r\n \r\n\r\nTo make applying easier, we ask for no application fee and test scores\r\nare optional. Plus, we won't keep you waiting – you'll receive an\r\nadmission decision within two weeks of submitting your application\r\nmaterials. You'll also be considered for scholarships automatically.\r\n\r\n \r\n\r\nYou may even apply to LEC with the Common App [\r\nhttps://my.lec-info.org/f/r/920c18dda092b99178974d904?ct=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%3D%3D&\r\n] if you prefer. You'll enjoy all the advantages mentioned above.\r\n\r\n \r\n\r\nI chose you to apply because you seem like someone who wants to see\r\nthe world become a better place, and LEC won't ask you to abandon that\r\nvision. We base our curriculum around the idea that you _can_ effect\r\nchange, and we'll help you develop the skills that make action happen.\r\n\r\n \r\n\r\nThat's a long way of saying: _You'll take the world by storm,\r\nKieran._\r\n\r\n \r\n\r\nI can't wait to learn more about you when I receive your STORM\r\nApplication [\r\nhttps://my.lec-info.org/f/r/b6eb082ea781c763d6a1486cc?ct=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&\r\n] or the Common App [\r\nhttps://my.lec-info.org/f/r/920c18dda092b99178974d904?ct=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%3D%3D&\r\n]. \r\n\r\n \r\n\r\nSincerely,\r\n\r\nAshley Mayse, MBA\r\nVice President for Enrollment\r\nLake Erie College\r\n391 W Washington St\r\nPainesville, Ohio 44077\r\n\r\n[\r\nhttps://my.lec-info.org/f/r/f616f8bda0b4f167497b5a61b?ct=YTo3OntzOjY6InNvdXJjZSI7YToyOntpOjA7czoxNDoiY2FtcGFpZ24uZXZlbnQiO2k6MTtpOjY3Mjt9czo1OiJlbWFpbCI7aToyNDI7czo0OiJzdGF0IjtzOjIyOiI2OTM1ODA3ZjJkNjk0NzMwODAxNjQwIjtzOjk6InNlbnRfdGltZSI7aToxNzY1MTEzOTgzO3M6NDoibGVhZCI7czo2OiI0NTY4MzUiO3M6NzoiY2hhbm5lbCI7YToxOntzOjU6ImVtYWlsIjtpOjI0Mjt9czoyNDoibXRjX3JlZGlyZWN0X2Rlc3RpbmF0aW9uIjtzOjE5OToiaHR0cHM6Ly93d3cubGVjLmVkdS8%2FdXRtX2NhbXBhaWduPWNyb3NzJnV0bV9zb3VyY2U9ZW5yb2xsMzYwJnV0bV9tZWRpdW09ZW1haWwmdXRtX2NvbnRlbnQ9bGVhcm4mdXRtX3Rlcm09c2lnbmVyJnRubnQ9M2YyMGMzYjYtOTM5Yi00NjlmLThmNDQtZDZmOTJmNWViMjUxJlVUTV9yY3JkPWFhYjUxZjdkLWQwNmYtNDNjNy04YjAwLTQ4YzA5ZDQ5ZjZjZCI7fQ%3D%3D&\r\n]\r\n\r\nP.S. Whether you want a career in communication or chemistry, we're\r\ndedicated to guiding you on your path to self-discovery, creative\r\nproblem-solving, and personal development, all with an eye for ethical\r\nbalance. If you have any questions, be sure to give our Office of\r\nAdmission a call at (440) 375-7050.\r\n\r\nWe received your information from\r\nyour Appily college research.\r\n\r\nBrowse to https://my.lec-info.org/email/unsubscribe/6935807f2d694730801640/pulp-flint-maybe@duck.com/616a252b90a4e6b2f4455568ce8ade8218104236e64a47c627d0bdd521c6a231 to no longer receive emails from this company.\r\n"
1814 },
1915 {
2016 "thread_id": "19af8fa37fbd2983",
···2319 "to": "Kieran Klukas <l9k069g0@duck.com>",
2420 "cc": "",
2521 "date": "2025-12-07T13:22:14.000Z",
2626- "body": "Kieran, I hope you have been receiving my emails!\r\n\r\n \r\n\r\nI'll keep this one short. I'm eager to consider you for our next\r\nincoming class at Wilmington College in Ohio, and I have several\r\n_priority status_ advantages to offer when you submit your Application\r\nfor Admission [\r\nhttps://learn.go-wilmington.org/f/r/0a90c5a89271c49cf51f89aaf?ct=YTo3OntzOjY6InNvdXJjZSI7YToyOntpOjA7czoxNDoiY2FtcGFpZ24uZXZlbnQiO2k6MTtpOjgxMTt9czo1OiJlbWFpbCI7aToyNDA7czo0OiJzdGF0IjtzOjIyOiI2OTM1N2Y3MWQxNjFhMDg0OTkxMzIwIjtzOjk6InNlbnRfdGltZSI7aToxNzY1MTEzNzEzO3M6NDoibGVhZCI7czo2OiI1MzA4MjMiO3M6NzoiY2hhbm5lbCI7YToxOntzOjU6ImVtYWlsIjtpOjI0MDt9czoyNDoibXRjX3JlZGlyZWN0X2Rlc3RpbmF0aW9uIjtzOjI2MzoiaHR0cHM6Ly93aWxtaW5ndG9uY29sbGVnZS5teS5zaXRlLmNvbS9BcHBseS9UWF9TaXRlTG9naW4%2Fc3RhcnRVUkw9JTJGQXBwbHklMkZUYXJnZXRYX1BvcnRhbF9fUEI%2FdXRtX2NhbXBhaWduPWZhc3QmdXRtX3NvdXJjZT1lbnJvbGwzNjBfYXBwbHkmdXRtX21lZGl1bT1lbWFpbCZ1dG1fY29udGVudD1hcHBseSZ0bm50PTIxNjA0OTk2LTBkODgtNDJlOC04ODZiLWZlYjFlY2I2YWJhZSZVVE1fcmNyZD0zYWQ2ODNkNi00Yzc0LTQ0YjQtYjE5ZC1iYjgwNGFlZDg0ZDkiO30%3D&\r\n] or the Common App [\r\nhttps://learn.go-wilmington.org/f/r/e0d4e40137f0704c14cbde677?ct=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%3D&\r\n].\r\n\r\n* No application fee\r\n* No required essay or recommendation\r\n* Optional test-score submission\r\n* Automatic scholarship consideration\r\n\r\nRemember that you will also receive an accelerated admission decision,\r\nwhich means you'll have plenty of time to consider your options —\r\nand I think you will definitely want to consider WC!\r\n\r\n \r\n\r\nYour Fightin' Quaker future is waiting, Kieran. Take\r\na moment and apply to WC today with our Application for Admission [\r\nhttps://learn.go-wilmington.org/f/r/0a90c5a89271c49cf51f89aaf?ct=YTo3OntzOjY6InNvdXJjZSI7YToyOntpOjA7czoxNDoiY2FtcGFpZ24uZXZlbnQiO2k6MTtpOjgxMTt9czo1OiJlbWFpbCI7aToyNDA7czo0OiJzdGF0IjtzOjIyOiI2OTM1N2Y3MWQxNjFhMDg0OTkxMzIwIjtzOjk6InNlbnRfdGltZSI7aToxNzY1MTEzNzEzO3M6NDoibGVhZCI7czo2OiI1MzA4MjMiO3M6NzoiY2hhbm5lbCI7YToxOntzOjU6ImVtYWlsIjtpOjI0MDt9czoyNDoibXRjX3JlZGlyZWN0X2Rlc3RpbmF0aW9uIjtzOjI2MzoiaHR0cHM6Ly93aWxtaW5ndG9uY29sbGVnZS5teS5zaXRlLmNvbS9BcHBseS9UWF9TaXRlTG9naW4%2Fc3RhcnRVUkw9JTJGQXBwbHklMkZUYXJnZXRYX1BvcnRhbF9fUEI%2FdXRtX2NhbXBhaWduPWZhc3QmdXRtX3NvdXJjZT1lbnJvbGwzNjBfYXBwbHkmdXRtX21lZGl1bT1lbWFpbCZ1dG1fY29udGVudD1hcHBseSZ0bm50PTIxNjA0OTk2LTBkODgtNDJlOC04ODZiLWZlYjFlY2I2YWJhZSZVVE1fcmNyZD0zYWQ2ODNkNi00Yzc0LTQ0YjQtYjE5ZC1iYjgwNGFlZDg0ZDkiO30%3D&\r\n] or the Common App [\r\nhttps://learn.go-wilmington.org/f/r/e0d4e40137f0704c14cbde677?ct=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%3D&\r\n].\r\n\r\n \r\n\r\nSincerely,\r\n\r\n \r\n\r\n@font-face {\r\n font-family: 'Cantarell';\r\n font-style: italic;\r\n font-weight: 400;\r\n font-display: swap;\r\n src: 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0;\r\n color: #005847 !important;\r\n font-size: 18px;\r\n line-height: 1.4;\r\n font-family: 'museo', 'Cantarell', 'Source Sans Pro', Arial, Helvetica, sans-serif !important;\r\n}\r\n\r\nDanny Harp\r\n\r\nDirector of Admission\r\n\r\nWilmington College\r\n\r\n1870 Quaker Way\r\nWilmington, OH 45177\r\n\r\nwww.wilmington.edu\r\n\r\n\r\n\t\r\n\t\t\r\n\t\t\t\r\n\t\t\r\n\t\r\n\r\n\r\nWe received your information from\r\nyour Appily college research.\r\n\r\nBrowse to https://learn.go-wilmington.org/email/unsubscribe/69357f71d161a084991320/l9k069g0@duck.com/44d5fd19e7b3a4133d4d5655659eb7b79d6930e9f0b4568fe6755c8f339ac3f8 to no longer receive emails from this company.\r\n",
2727- "labels": [
2828- "College/Auto"
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3030- "is_in_inbox": false
2222+ "body": "Kieran, I hope you have been receiving my emails!\r\n\r\n \r\n\r\nI'll keep this one short. I'm eager to consider you for our next\r\nincoming class at Wilmington College in Ohio, and I have several\r\n_priority status_ advantages to offer when you submit your Application\r\nfor Admission [\r\nhttps://learn.go-wilmington.org/f/r/0a90c5a89271c49cf51f89aaf?ct=YTo3OntzOjY6InNvdXJjZSI7YToyOntpOjA7czoxNDoiY2FtcGFpZ24uZXZlbnQiO2k6MTtpOjgxMTt9czo1OiJlbWFpbCI7aToyNDA7czo0OiJzdGF0IjtzOjIyOiI2OTM1N2Y3MWQxNjFhMDg0OTkxMzIwIjtzOjk6InNlbnRfdGltZSI7aToxNzY1MTEzNzEzO3M6NDoibGVhZCI7czo2OiI1MzA4MjMiO3M6NzoiY2hhbm5lbCI7YToxOntzOjU6ImVtYWlsIjtpOjI0MDt9czoyNDoibXRjX3JlZGlyZWN0X2Rlc3RpbmF0aW9uIjtzOjI2MzoiaHR0cHM6Ly93aWxtaW5ndG9uY29sbGVnZS5teS5zaXRlLmNvbS9BcHBseS9UWF9TaXRlTG9naW4%2Fc3RhcnRVUkw9JTJGQXBwbHklMkZUYXJnZXRYX1BvcnRhbF9fUEI%2FdXRtX2NhbXBhaWduPWZhc3QmdXRtX3NvdXJjZT1lbnJvbGwzNjBfYXBwbHkmdXRtX21lZGl1bT1lbWFpbCZ1dG1fY29udGVudD1hcHBseSZ0bm50PTIxNjA0OTk2LTBkODgtNDJlOC04ODZiLWZlYjFlY2I2YWJhZSZVVE1fcmNyZD0zYWQ2ODNkNi00Yzc0LTQ0YjQtYjE5ZC1iYjgwNGFlZDg0ZDkiO30%3D&\r\n] or the Common App [\r\nhttps://learn.go-wilmington.org/f/r/e0d4e40137f0704c14cbde677?ct=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%3D&\r\n].\r\n\r\n* No application fee\r\n* No required essay or recommendation\r\n* Optional test-score submission\r\n* Automatic scholarship consideration\r\n\r\nRemember that you will also receive an accelerated admission decision,\r\nwhich means you'll have plenty of time to consider your options —\r\nand I think you will definitely want to consider WC!\r\n\r\n \r\n\r\nYour Fightin' Quaker future is waiting, Kieran. Take\r\na moment and apply to WC today with our Application for Admission [\r\nhttps://learn.go-wilmington.org/f/r/0a90c5a89271c49cf51f89aaf?ct=YTo3OntzOjY6InNvdXJjZSI7YToyOntpOjA7czoxNDoiY2FtcGFpZ24uZXZlbnQiO2k6MTtpOjgxMTt9czo1OiJlbWFpbCI7aToyNDA7czo0OiJzdGF0IjtzOjIyOiI2OTM1N2Y3MWQxNjFhMDg0OTkxMzIwIjtzOjk6InNlbnRfdGltZSI7aToxNzY1MTEzNzEzO3M6NDoibGVhZCI7czo2OiI1MzA4MjMiO3M6NzoiY2hhbm5lbCI7YToxOntzOjU6ImVtYWlsIjtpOjI0MDt9czoyNDoibXRjX3JlZGlyZWN0X2Rlc3RpbmF0aW9uIjtzOjI2MzoiaHR0cHM6Ly93aWxtaW5ndG9uY29sbGVnZS5teS5zaXRlLmNvbS9BcHBseS9UWF9TaXRlTG9naW4%2Fc3RhcnRVUkw9JTJGQXBwbHklMkZUYXJnZXRYX1BvcnRhbF9fUEI%2FdXRtX2NhbXBhaWduPWZhc3QmdXRtX3NvdXJjZT1lbnJvbGwzNjBfYXBwbHkmdXRtX21lZGl1bT1lbWFpbCZ1dG1fY29udGVudD1hcHBseSZ0bm50PTIxNjA0OTk2LTBkODgtNDJlOC04ODZiLWZlYjFlY2I2YWJhZSZVVE1fcmNyZD0zYWQ2ODNkNi00Yzc0LTQ0YjQtYjE5ZC1iYjgwNGFlZDg0ZDkiO30%3D&\r\n] or the Common App [\r\nhttps://learn.go-wilmington.org/f/r/e0d4e40137f0704c14cbde677?ct=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%3D&\r\n].\r\n\r\n \r\n\r\nSincerely,\r\n\r\n \r\n\r\n@font-face {\r\n font-family: 'Cantarell';\r\n font-style: italic;\r\n font-weight: 400;\r\n font-display: swap;\r\n src: 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url(\"https://learn.go-wilmington.org/f/r/e8a7163debb946a3be8f38ef0?ct=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%3D&\") format(\"woff\");\r\n font-display:auto;font-style:italic;font-weight:700;font-stretch:normal;\r\n mso-font-alt: Arial, sans-serif;\r\n}\r\n\r\ntd,\r\np,\r\np span,\r\nul,\r\nli {\r\n font-family: 'Cantarell', 'Source Sans Pro', Arial, Helvetica, sans-serif !important;\r\n letter-spacing: -0.33px !important;\r\n line-height: 1.4;\r\n}\r\n\r\n.signer-name {\r\n margin: 0;\r\n padding: 0;\r\n color: #005847 !important;\r\n font-size: 18px;\r\n line-height: 1.4;\r\n font-family: 'museo', 'Cantarell', 'Source Sans Pro', Arial, Helvetica, sans-serif !important;\r\n}\r\n\r\nDanny Harp\r\n\r\nDirector of Admission\r\n\r\nWilmington College\r\n\r\n1870 Quaker Way\r\nWilmington, OH 45177\r\n\r\nwww.wilmington.edu\r\n\r\n\r\n\t\r\n\t\t\r\n\t\t\t\r\n\t\t\r\n\t\r\n\r\n\r\nWe received your information from\r\nyour Appily college research.\r\n\r\nBrowse to https://learn.go-wilmington.org/email/unsubscribe/69357f71d161a084991320/l9k069g0@duck.com/44d5fd19e7b3a4133d4d5655659eb7b79d6930e9f0b4568fe6755c8f339ac3f8 to no longer receive emails from this company.\r\n"
3123 }
3224 ]
3333-}2525+}
+173
docs/WORKFLOW.md
···11+# Email Filter Improvement Workflow
22+33+This document describes the streamlined process for improving the email classifier.
44+55+## Quick Start
66+77+```bash
88+# 1. Export new emails from Gmail (run in Apps Script)
99+# Uses: export-from-label.gscript
1010+1111+# 2. Label the exported emails interactively
1212+bun label.ts new-emails.json
1313+1414+# 3. Import labeled emails and see results
1515+bun import-labeled.ts new-emails-labeled.json
1616+1717+# 4. If there are failures, update classifier.ts
1818+1919+# 5. Test and regenerate
2020+bun test
2121+bun run evaluate.ts
2222+bun run generate-gscript.ts
2323+```
2424+2525+## Detailed Workflow
2626+2727+### Step 1: Export Emails from Gmail
2828+2929+In Google Apps Script, run the export script:
3030+3131+```javascript
3232+// Run this in Apps Script console
3333+exportEmailsToDrive()
3434+```
3535+3636+This exports all emails with the `College/Auto` label to a JSON file in your Google Drive.
3737+3838+Download the file to your project directory.
3939+4040+### Step 2: Label Emails Interactively
4141+4242+Use the interactive labeling tool:
4343+4444+```bash
4545+bun label.ts college_emails_export_2025-12-07.json
4646+```
4747+4848+For each email, you'll be prompted:
4949+- `y` - Email is relevant (should go to inbox)
5050+- `n` - Email is not relevant (should be filtered)
5151+- `s` - Skip this email
5252+- `q` - Quit and save labeled emails so far
5353+5454+When marking as relevant/not relevant, provide a short reason like:
5555+- "password reset"
5656+- "marketing spam"
5757+- "scholarship awarded"
5858+- "unsolicited outreach"
5959+6060+The tool saves to `college_emails_export_2025-12-07-labeled.json` by default.
6161+6262+### Step 3: Import and Evaluate
6363+6464+Import the labeled emails into the main dataset:
6565+6666+```bash
6767+bun import-labeled.ts college_emails_export_2025-12-07-labeled.json
6868+```
6969+7070+This will:
7171+1. Merge new labeled emails into `college_emails_export_2025-12-05_labeled.json`
7272+2. Check for duplicates (by thread_id)
7373+3. Run the classifier on the new emails
7474+4. Report any failures
7575+7676+### Step 4: Fix Failures
7777+7878+If there are classification failures, update `classifier.ts`:
7979+8080+**For false positives** (classifier said relevant when it's not):
8181+- Add exclusion patterns to existing rules
8282+- Add new patterns to `checkIrrelevant()`
8383+8484+**For false negatives** (classifier said not relevant when it is):
8585+- Add new patterns to the appropriate check function
8686+- Ensure patterns are specific enough
8787+8888+Example:
8989+```typescript
9090+// False positive: "I'm eager to consider you" triggered accepted_student
9191+// Fix: Add exclusion in checkAccepted()
9292+if (/\bi'?m\s+eager\s+to\s+consider\s+you\b/.test(combined)) {
9393+ return null; // Not actually accepted
9494+}
9595+```
9696+9797+### Step 5: Test and Deploy
9898+9999+```bash
100100+# Run unit tests
101101+bun test
102102+103103+# Run full evaluation on all labeled emails
104104+bun run evaluate.ts college_emails_export_2025-12-05_labeled.json
105105+106106+# Generate updated GScript
107107+bun run generate-gscript.ts
108108+109109+# Copy filter-hybrid.gscript to Apps Script and deploy
110110+```
111111+112112+## File Structure
113113+114114+- `export-from-label.gscript` - Apps Script to export emails from Gmail
115115+- `label.ts` - Interactive CLI for labeling emails
116116+- `import-labeled.ts` - Import labeled emails and evaluate
117117+- `classifier.ts` - TypeScript classifier (source of truth)
118118+- `generate-gscript.ts` - Generate GScript from TypeScript
119119+- `filter-hybrid.gscript` - Generated GScript for Gmail
120120+- `college_emails_export_*_labeled.json` - Main labeled dataset
121121+122122+## Tips
123123+124124+### Labeling Best Practices
125125+126126+- **Be consistent** - Use similar reasons for similar emails
127127+- **Be specific** - "marketing spam" vs "scholarship not awarded"
128128+- **Label in batches** - Do 10-20 at a time to stay focused
129129+- **When in doubt** - Mark as not relevant (safer to filter)
130130+131131+### Common Email Categories
132132+133133+**Relevant** (should go to inbox):
134134+- Password resets / security alerts
135135+- Application confirmations
136136+- Enrollment confirmations
137137+- Scholarships actually awarded
138138+- Financial aid offers ready
139139+- Dual enrollment course info
140140+- Accepted student portal access
141141+142142+**Not Relevant** (should be filtered):
143143+- Marketing / newsletters
144144+- Unsolicited outreach
145145+- Application reminders
146146+- Scholarship eligibility (not awarded)
147147+- FAFSA reminders
148148+- Campus events / tours
149149+- Deadline extensions
150150+151151+### Classifier Pattern Tips
152152+153153+1. **Test patterns broadly** - Use `combined` (subject + body) for most checks
154154+2. **Add exclusions** - Marketing often uses similar words to real notifications
155155+3. **Be specific** - "admission decision ready" vs "you will receive an admission decision"
156156+4. **Check order matters** - More specific checks should come before general ones
157157+158158+## Maintenance
159159+160160+### Regular Tasks
161161+162162+1. **Weekly**: Export new emails and label them
163163+2. **Monthly**: Review classifier accuracy
164164+3. **As needed**: Update patterns for new spam types
165165+166166+### Monitoring
167167+168168+Check accuracy metrics after each import:
169169+- **Target accuracy**: >95%
170170+- **Target precision**: >90% (low false positives)
171171+- **Target recall**: >95% (low false negatives)
172172+173173+If metrics drop below targets, review recent failures and update patterns.
+4-3
evaluate.ts
src/evaluate.ts
···22// Evaluate classifier performance against labeled test data
3344import { readFile } from "fs/promises";
55-import { EmailClassifier } from "./classifier";
66-import type { LabeledEmail, TestCase, TestResult, ClassificationResult } from "./types";
55+import { EmailClassifier } from "./classifier.ts";
66+import type { LabeledEmail, TestCase, TestResult, ClassificationResult } from "./types.ts";
7788interface LabeledData {
99 source_file: string;
···1717 console.log("📊 Evaluating Email Classifier\n");
18181919 // Load labeled data
2020- const labeledFile = "college_emails_export_2025-12-05_labeled.json";
2020+ const args = process.argv.slice(2);
2121+ const labeledFile = args[0] || "data/labeled-emails.json";
2122 const data: LabeledData = JSON.parse(await readFile(labeledFile, "utf-8"));
22232324 // Filter to only labeled emails
···11-// filename: Code.gs
22-// Strict triage using ai.hackclub.com with fail-safe to inbox.
33-// Handles Gmail API quotas, AI rate limits, and Apps Script execution limits.
44-55-const AUTO_LABEL_NAME = "College/Auto";
66-const FILTERED_LABEL_NAME = "College/Filtered";
77-const DRY_RUN = false;
88-99-const AI_BASE_URL = "https://ai.hackclub.com/proxy/v1/chat/completions";
1010-const AI_MODEL = "deepseek/deepseek-r1-distill-qwen-32b";
1111-const AI_API_KEY = PropertiesService.getScriptProperties().getProperty("AI_API_KEY");
1212-1313-// Rate limit configuration
1414-const MAX_AI_RETRIES = 3;
1515-const AI_TIMEOUT_MS = 15000; // 15 second timeout
1616-const MAX_THREADS_PER_RUN = 50; // Process max 50 threads per execution
1717-const MAX_EXECUTION_TIME_MS = 4.5 * 60 * 1000; // 4.5 minutes (Apps Script has 6min limit)
1818-const AI_RATE_LIMIT_DELAY_MS = 1000; // 1 second between AI calls to avoid rate limits
1919-const GMAIL_BATCH_SIZE = 10; // Process Gmail operations in batches
2020-2121-// Rate limit tracking
2222-const RATE_LIMIT_PROPERTY = "AI_RATE_LIMIT_RESET";
2323-const RATE_LIMIT_COUNT_PROPERTY = "AI_RATE_LIMIT_COUNT";
2424-const MAX_AI_CALLS_PER_HOUR = 100; // Adjust based on your AI provider's limits
2525-2626-function ensureLabels() {
2727- getOrCreateLabel_(AUTO_LABEL_NAME);
2828- getOrCreateLabel_(FILTERED_LABEL_NAME);
2929- Logger.log(`Labels ensured: ${AUTO_LABEL_NAME}, ${FILTERED_LABEL_NAME}`);
3030-}
3131-3232-function runTriage() {
3333- const startTime = Date.now();
3434-3535- if (!AI_API_KEY) {
3636- Logger.log("ERROR: AI_API_KEY not set in Script properties. Cannot proceed.");
3737- throw new Error("Set AI_API_KEY in Script properties.");
3838- }
3939-4040- // Check if we're rate limited
4141- if (isRateLimited_()) {
4242- const resetTime = new Date(parseInt(PropertiesService.getScriptProperties().getProperty(RATE_LIMIT_PROPERTY)));
4343- Logger.log(`Rate limited. Will reset at ${resetTime.toISOString()}`);
4444- return;
4545- }
4646-4747- const autoLabel = getOrCreateLabel_(AUTO_LABEL_NAME);
4848- const filteredLabel = getOrCreateLabel_(FILTERED_LABEL_NAME);
4949-5050- let threads = autoLabel.getThreads(0, MAX_THREADS_PER_RUN);
5151- if (!threads.length) {
5252- Logger.log("No threads under College/Auto.");
5353- return;
5454- }
5555-5656- Logger.log(`Processing up to ${threads.length} threads (max ${MAX_THREADS_PER_RUN} per run)`);
5757-5858- let stats = {
5959- wouldInbox: 0,
6060- wouldFiltered: 0,
6161- didInbox: 0,
6262- didFiltered: 0,
6363- errors: 0,
6464- skipped: 0,
6565- rateLimited: 0
6666- };
6767-6868- let aiCallCount = 0;
6969- const maxAICalls = MAX_AI_CALLS_PER_HOUR - getCurrentRateLimitCount_();
7070-7171- for (let i = 0; i < threads.length; i++) {
7272- // Check execution time limit
7373- const elapsed = Date.now() - startTime;
7474- if (elapsed > MAX_EXECUTION_TIME_MS) {
7575- Logger.log(`Execution time limit approaching (${elapsed}ms). Stopping. Processed ${i}/${threads.length} threads.`);
7676- stats.skipped = threads.length - i;
7777- break;
7878- }
7979-8080- // Check AI rate limit
8181- if (aiCallCount >= maxAICalls) {
8282- Logger.log(`AI rate limit reached (${aiCallCount} calls). Stopping. Processed ${i}/${threads.length} threads.`);
8383- stats.skipped = threads.length - i;
8484- stats.rateLimited = threads.length - i;
8585- break;
8686- }
8787-8888- const thread = threads[i];
8989-9090- try {
9191- const needsAI = processThread_(thread, autoLabel, filteredLabel, stats);
9292-9393- if (needsAI) {
9494- aiCallCount++;
9595- incrementRateLimitCount_();
9696-9797- // Add delay between AI calls to avoid rate limits
9898- if (i < threads.length - 1) {
9999- Utilities.sleep(AI_RATE_LIMIT_DELAY_MS);
100100- }
101101- }
102102- } catch (e) {
103103- Logger.log(`ERROR processing thread ${thread.getId()}: ${e}. FAIL-SAFE: Moving to inbox.`);
104104- stats.errors += 1;
105105-106106- // FAIL-SAFE: On error, send to inbox
107107- if (!DRY_RUN) {
108108- try {
109109- thread.removeLabel(autoLabel);
110110- thread.removeLabel(filteredLabel);
111111- thread.moveToInbox();
112112- stats.didInbox += 1;
113113- } catch (moveError) {
114114- Logger.log(`CRITICAL: Could not move thread ${thread.getId()} to inbox: ${moveError}`);
115115- }
116116- } else {
117117- stats.wouldInbox += 1;
118118- }
119119- }
120120-121121- // Periodic batch processing to avoid Gmail quota issues
122122- if ((i + 1) % GMAIL_BATCH_SIZE === 0) {
123123- Utilities.sleep(100); // Small delay between batches
124124- }
125125- }
126126-127127- const totalTime = ((Date.now() - startTime) / 1000).toFixed(2);
128128- Logger.log(`Summary DRY_RUN=${DRY_RUN}: WouldInbox=${stats.wouldInbox}, WouldFiltered=${stats.wouldFiltered}, AppliedInbox=${stats.didInbox}, AppliedFiltered=${stats.didFiltered}, Errors=${stats.errors}, Skipped=${stats.skipped}, RateLimited=${stats.rateLimited}, Time=${totalTime}s, AICalls=${aiCallCount}`);
129129-130130- if (stats.skipped > 0) {
131131- Logger.log(`WARNING: ${stats.skipped} threads not processed. Will be picked up in next run.`);
132132- }
133133-}
134134-135135-// Returns true if AI was called, false if local rules were used
136136-function processThread_(thread, autoLabel, filteredLabel, stats) {
137137- const msg = thread.getMessages().slice(-1)[0];
138138- if (!msg) {
139139- throw new Error("No messages in thread");
140140- }
141141-142142- const meta = {
143143- subject: safeStr_(msg.getSubject()),
144144- body: safeStr_(msg.getPlainBody(), 10000),
145145- from: safeStr_(msg.getFrom()),
146146- to: safeStr_(msg.getTo()),
147147- cc: safeStr_(msg.getCc()),
148148- date: msg.getDate()
149149- };
150150-151151- // Validate we have minimum required data
152152- if (!meta.subject && !meta.body) {
153153- Logger.log(`WARNING: Thread ${thread.getId()} has no subject or body. FAIL-SAFE: Moving to inbox.`);
154154- applyInboxAction_(thread, autoLabel, filteredLabel, stats, "no content (fail-safe)");
155155- return false; // No AI call
156156- }
157157-158158- // Local strict rules first (most reliable)
159159- const local = localStrictDecision_(meta);
160160- let relevant, reason;
161161-162162- if (local.decided) {
163163- relevant = local.pertains;
164164- reason = local.reason;
165165- Logger.log(`[Thread ${thread.getId()}] Local decision: Relevant=${relevant} Reason="${reason}" Subject="${meta.subject}" From="${meta.from}"`);
166166-167167- // Apply decision
168168- if (relevant) {
169169- applyInboxAction_(thread, autoLabel, filteredLabel, stats, reason);
170170- } else {
171171- applyFilteredAction_(thread, autoLabel, filteredLabel, stats, reason);
172172- }
173173-174174- return false; // No AI call needed
175175- }
176176-177177- // Need AI classification
178178- const ai = classifyWithAIRetry_(meta);
179179-180180- // FAIL-SAFE: If AI completely failed, send to inbox
181181- if (ai.error) {
182182- Logger.log(`[Thread ${thread.getId()}] AI failed after retries. FAIL-SAFE: Moving to inbox. Subject="${meta.subject}" From="${meta.from}"`);
183183- applyInboxAction_(thread, autoLabel, filteredLabel, stats, "AI failure (fail-safe)");
184184- return true; // AI was attempted
185185- }
186186-187187- // Enforce strict rules on AI output
188188- const forced = enforceStrictRules_(meta, ai);
189189- relevant = forced.pertains;
190190- reason = forced.reason;
191191-192192- Logger.log(`[Thread ${thread.getId()}] Model=${AI_MODEL} Relevant=${relevant} Reason="${reason}" Subject="${meta.subject}" From="${meta.from}"`);
193193-194194- // Apply decision
195195- if (relevant) {
196196- applyInboxAction_(thread, autoLabel, filteredLabel, stats, reason);
197197- } else {
198198- applyFilteredAction_(thread, autoLabel, filteredLabel, stats, reason);
199199- }
200200-201201- return true; // AI was called
202202-}
203203-204204-function applyInboxAction_(thread, autoLabel, filteredLabel, stats, reason) {
205205- if (DRY_RUN) {
206206- stats.wouldInbox += 1;
207207- Logger.log(` DRY_RUN: Would remove "${AUTO_LABEL_NAME}" and move to Inbox (${reason})`);
208208- } else {
209209- try {
210210- thread.removeLabel(autoLabel);
211211- thread.removeLabel(filteredLabel);
212212- thread.moveToInbox();
213213- stats.didInbox += 1;
214214- Logger.log(` Applied: Removed "${AUTO_LABEL_NAME}" (+ "${FILTERED_LABEL_NAME}") and moved to Inbox (${reason})`);
215215- } catch (e) {
216216- Logger.log(` ERROR applying inbox action: ${e}`);
217217- throw e;
218218- }
219219- }
220220-}
221221-222222-function applyFilteredAction_(thread, autoLabel, filteredLabel, stats, reason) {
223223- if (DRY_RUN) {
224224- stats.wouldFiltered += 1;
225225- Logger.log(` DRY_RUN: Would add "${FILTERED_LABEL_NAME}" and keep archived (${reason})`);
226226- } else {
227227- try {
228228- thread.removeLabel(autoLabel);
229229- thread.addLabel(filteredLabel);
230230- if (thread.isInInbox()) thread.moveToArchive();
231231- stats.didFiltered += 1;
232232- Logger.log(` Applied: Added "${FILTERED_LABEL_NAME}" and archived if needed (${reason})`);
233233- } catch (e) {
234234- Logger.log(` ERROR applying filtered action: ${e}`);
235235- throw e;
236236- }
237237- }
238238-}
239239-240240-// ---------- Rate Limiting ----------
241241-function isRateLimited_() {
242242- const props = PropertiesService.getScriptProperties();
243243- const resetTime = props.getProperty(RATE_LIMIT_PROPERTY);
244244-245245- if (!resetTime) return false;
246246-247247- const now = Date.now();
248248- const reset = parseInt(resetTime);
249249-250250- if (now >= reset) {
251251- // Rate limit period expired, reset counter
252252- props.deleteProperty(RATE_LIMIT_PROPERTY);
253253- props.deleteProperty(RATE_LIMIT_COUNT_PROPERTY);
254254- return false;
255255- }
256256-257257- const count = getCurrentRateLimitCount_();
258258- return count >= MAX_AI_CALLS_PER_HOUR;
259259-}
260260-261261-function getCurrentRateLimitCount_() {
262262- const count = PropertiesService.getScriptProperties().getProperty(RATE_LIMIT_COUNT_PROPERTY);
263263- return count ? parseInt(count) : 0;
264264-}
265265-266266-function incrementRateLimitCount_() {
267267- const props = PropertiesService.getScriptProperties();
268268- const count = getCurrentRateLimitCount_() + 1;
269269- props.setProperty(RATE_LIMIT_COUNT_PROPERTY, count.toString());
270270-271271- // Set reset time if not set (1 hour from now)
272272- if (!props.getProperty(RATE_LIMIT_PROPERTY)) {
273273- const resetTime = Date.now() + (60 * 60 * 1000); // 1 hour
274274- props.setProperty(RATE_LIMIT_PROPERTY, resetTime.toString());
275275- }
276276-277277- if (count >= MAX_AI_CALLS_PER_HOUR) {
278278- Logger.log(`Rate limit reached: ${count}/${MAX_AI_CALLS_PER_HOUR} calls`);
279279- }
280280-}
281281-282282-function handleAIRateLimit_(response) {
283283- const status = response.getResponseCode();
284284-285285- // Common rate limit status codes
286286- if (status === 429 || status === 503) {
287287- const props = PropertiesService.getScriptProperties();
288288-289289- // Check for Retry-After header
290290- const retryAfter = response.getHeaders()['Retry-After'];
291291- let resetTime;
292292-293293- if (retryAfter) {
294294- // Could be seconds or HTTP date
295295- const retrySeconds = parseInt(retryAfter);
296296- if (!isNaN(retrySeconds)) {
297297- resetTime = Date.now() + (retrySeconds * 1000);
298298- } else {
299299- // Try parsing as date
300300- try {
301301- resetTime = new Date(retryAfter).getTime();
302302- } catch (e) {
303303- // Default to 1 hour
304304- resetTime = Date.now() + (60 * 60 * 1000);
305305- }
306306- }
307307- } else {
308308- // Default to 1 hour
309309- resetTime = Date.now() + (60 * 60 * 1000);
310310- }
311311-312312- props.setProperty(RATE_LIMIT_PROPERTY, resetTime.toString());
313313- props.setProperty(RATE_LIMIT_COUNT_PROPERTY, MAX_AI_CALLS_PER_HOUR.toString());
314314-315315- Logger.log(`AI rate limit detected (HTTP ${status}). Reset at: ${new Date(resetTime).toISOString()}`);
316316- return true;
317317- }
318318-319319- return false;
320320-}
321321-322322-// ---------- Strict local rules (most reliable) ----------
323323-function localStrictDecision_(meta) {
324324- const s = (meta.subject || "").toLowerCase();
325325- const b = (meta.body || "").toLowerCase();
326326-327327- // 1. Security / password alerts (ALWAYS relevant)
328328- const security = [
329329- /\bpassword\s+(reset|change|update|expired)\b/,
330330- /\breset\s+your\s+password\b/,
331331- /\baccount\s+security\b/,
332332- /\bsecurity\s+alert\b/,
333333- /\bunusual\s+sign[- ]?in\b/,
334334- /\bverification\s+code\b/,
335335- /\b(2fa|mfa|two[- ]factor)\b/,
336336- /\bcompromised\s+account\b/,
337337- /\baccount\s+(locked|suspended)\b/,
338338- /\bsuspicious\s+activity\b/,
339339- ];
340340- for (const pat of security) {
341341- if (pat.test(s) || pat.test(b)) {
342342- return { decided: true, pertains: true, reason: "security/password alert (strict local rule)" };
343343- }
344344- }
345345-346346- // 2. Scholarship explicitly awarded (NOT held/consideration)
347347- const awardPos = [
348348- /\bcongratulations\b.*\bscholarship\b/,
349349- /\byou\s+(have|received|are\s+awarded|won)\b.*\bscholarship\b/,
350350- /\bwe\s+(are\s+)?(pleased\s+to\s+)?award(ing)?\b.*\bscholarship\b/,
351351- /\bscholarship\s+(offer|award)\b/,
352352- /\breceived\s+a\s+scholarship\b/,
353353- ];
354354- const awardNeg = [
355355- /\bscholarship\b.*\b(held|reserved)\s+for\s+you\b/,
356356- /\bbeing\s+held\s+for\s+you\b/,
357357- /\bconsider(ed|ation)\b.*\bscholarship\b/,
358358- /\bscholarship\b.*\bconsider(ed|ation)\b/,
359359- /\bapply\b.*\bscholarship\b/,
360360- /\bscholarship\b.*\bapply\b/,
361361- /\b(guaranteed|automatic)\s+admission\b/,
362362- /\bpriority\s+consideration\b/,
363363- /\beligible\s+for\b.*\bscholarship\b/,
364364- /\bscholarship\b.*\beligible\b/,
365365- /\bmay\s+qualify\b.*\bscholarship\b/,
366366- ];
367367-368368- for (const pat of awardPos) {
369369- if (pat.test(s) || pat.test(b)) {
370370- for (const neg of awardNeg) {
371371- if (neg.test(s) || neg.test(b)) {
372372- return { decided: true, pertains: false, reason: "scholarship NOT awarded (held/consideration/apply/eligible)" };
373373- }
374374- }
375375- return { decided: true, pertains: true, reason: "scholarship awarded (strict local rule)" };
376376- }
377377- }
378378-379379- // 3. Financial aid offer ready/available to review (explicit offer)
380380- const aidPos = [
381381- /\bfinancial\s+aid\b.*\boffer\b.*\b(ready|available)\b/,
382382- /\b(ready|available)\b.*\bfinancial\s+aid\b.*\boffer\b/,
383383- /\baward\s+letter\b.*\b(ready|available|posted|view)\b/,
384384- /\b(view|review)\s+(your\s+)?award\s+letter\b/,
385385- /\bfinancial\s+aid\s+package\b.*\b(ready|available|posted)\b/,
386386- /\byour\s+aid\s+is\s+ready\b/,
387387- ];
388388- const aidNeg = [
389389- /\blearn\s+more\s+about\b.*\bfinancial\s+aid\b/,
390390- /\bapply\b.*\b(for\s+)?financial\s+aid\b/,
391391- /\bfinancial\s+aid\b.*\bapplication\b/,
392392- /\bcomplete\s+(your\s+)?fafsa\b/,
393393- /\bconsidered\s+for\b.*\baid\b/,
394394- ];
395395-396396- for (const pat of aidPos) {
397397- if (pat.test(s) || pat.test(b)) {
398398- for (const neg of aidNeg) {
399399- if (neg.test(s) || neg.test(b)) {
400400- return { decided: true, pertains: false, reason: "financial aid marketing/application (not ready offer)" };
401401- }
402402- }
403403- return { decided: true, pertains: true, reason: "financial aid offer ready (strict local rule)" };
404404- }
405405- }
406406-407407- // 4. Response to student action (application, enrollment)
408408- const actionResponse = [
409409- /\bapplication\s+(received|complete|submitted)\b/,
410410- /\breceived\s+your\s+application\b/,
411411- /\bthank\s+you\s+for\s+(applying|submitting)\b/,
412412- /\bdual\s+enrollment\b.*\b(confirmation|registered|approved)\b/,
413413- /\benrollment\s+confirmation\b/,
414414- ];
415415-416416- for (const pat of actionResponse) {
417417- if (pat.test(s) || pat.test(b)) {
418418- return { decided: true, pertains: true, reason: "response to student action (strict local rule)" };
419419- }
420420- }
421421-422422- // 5. Common irrelevant patterns (high confidence filtering)
423423- const definitelyIrrelevant = [
424424- /\b(campus|student)\s+(events?|activities|life|newsletter)\b/,
425425- /\bweekly\s+(digest|update|newsletter)\b/,
426426- /\bupcoming\s+events\b/,
427427- /\bjoin\s+us\s+(for|at)\b/,
428428- /\bopen\s+house\b/,
429429- /\bvirtual\s+tour\b/,
430430- /\bmeet\s+(the|our)\s+(students|faculty)\b/,
431431- ];
432432-433433- for (const pat of definitelyIrrelevant) {
434434- if (pat.test(s) || pat.test(b)) {
435435- return { decided: true, pertains: false, reason: "marketing/events (strict local rule)" };
436436- }
437437- }
438438-439439- return { decided: false, pertains: false, reason: "defer to AI" };
440440-}
441441-442442-function enforceStrictRules_(meta, aiDecision) {
443443- const s = (meta.subject || "").toLowerCase();
444444- const b = (meta.body || "").toLowerCase();
445445- let pertains = aiDecision.pertains === true;
446446- let reason = aiDecision.reason || "AI decision";
447447-448448- // STRICT OVERRIDE: Force relevant for security (can't miss these)
449449- if (!pertains) {
450450- const criticalSecurity = [
451451- /\bpassword\s+reset\b/,
452452- /\bsecurity\s+alert\b/,
453453- /\bverification\s+code\b/,
454454- /\baccount\s+locked\b/,
455455- /\bunusual\s+sign[- ]?in\b/,
456456- /\bsuspicious\s+activity\b/,
457457- ];
458458- for (const pat of criticalSecurity) {
459459- if (pat.test(s) || pat.test(b)) {
460460- pertains = true;
461461- reason = "STRICT OVERRIDE: security/password alert";
462462- break;
463463- }
464464- }
465465- }
466466-467467- // STRICT OVERRIDE: Force relevant for explicit financial aid offers
468468- if (!pertains) {
469469- const explicitAid = [
470470- /\bfinancial\s+aid\b.*\boffer\b.*\bready\b/,
471471- /\baward\s+letter\b.*\b(ready|available|view)\b/,
472472- /\byour\s+aid\s+is\s+ready\b/,
473473- ];
474474- for (const pat of explicitAid) {
475475- if (pat.test(s) || pat.test(b)) {
476476- if (!/\blearn\s+more\b|\bapply\b/.test(s) && !/\blearn\s+more\b|\bapply\b/.test(b)) {
477477- pertains = true;
478478- reason = "STRICT OVERRIDE: financial aid offer ready";
479479- break;
480480- }
481481- }
482482- }
483483- }
484484-485485- // STRICT ENFORCEMENT: Force NOT relevant for scholarship held/consideration
486486- if (pertains && reason.toLowerCase().includes("scholarship")) {
487487- const scholarshipNeg = [
488488- /\bscholarship\b.*\bheld\s+for\s+you\b/,
489489- /\bbeing\s+held\b/,
490490- /\bconsider(ed|ation)\b/,
491491- /\beligible\s+for\b/,
492492- /\bmay\s+qualify\b/,
493493- /\bapply\s+for\b/,
494494- ];
495495- for (const pat of scholarshipNeg) {
496496- if (pat.test(s) || pat.test(b)) {
497497- pertains = false;
498498- reason = "STRICT ENFORCEMENT: scholarship not actually awarded";
499499- break;
500500- }
501501- }
502502- }
503503-504504- return { pertains, reason };
505505-}
506506-507507-// ---------- AI call with retry logic ----------
508508-function classifyWithAIRetry_(meta) {
509509- let lastError = null;
510510- let backoffMs = 1000; // Start with 1 second
511511-512512- for (let attempt = 1; attempt <= MAX_AI_RETRIES; attempt++) {
513513- try {
514514- const result = classifyWithAI_(meta);
515515-516516- // Validate AI response
517517- if (typeof result.pertains !== "boolean") {
518518- throw new Error(`Invalid AI response: pertains is not boolean (got ${typeof result.pertains})`);
519519- }
520520- if (!result.reason || typeof result.reason !== "string") {
521521- throw new Error("Invalid AI response: missing or invalid reason");
522522- }
523523-524524- return result;
525525- } catch (e) {
526526- lastError = e;
527527- Logger.log(`AI attempt ${attempt}/${MAX_AI_RETRIES} failed: ${e}`);
528528-529529- // Check if it's a rate limit error
530530- if (e.toString().includes("429") || e.toString().includes("rate limit")) {
531531- Logger.log(`Rate limit detected on attempt ${attempt}`);
532532- // Exponential backoff for rate limits: 2s, 4s, 8s
533533- backoffMs = Math.min(backoffMs * 2, 10000);
534534- }
535535-536536- if (attempt < MAX_AI_RETRIES) {
537537- Logger.log(`Waiting ${backoffMs}ms before retry...`);
538538- Utilities.sleep(backoffMs);
539539- backoffMs *= 2; // Exponential backoff
540540- }
541541- }
542542- }
543543-544544- // All retries failed
545545- return {
546546- pertains: false,
547547- reason: `AI failed after ${MAX_AI_RETRIES} attempts: ${lastError}`,
548548- error: true
549549- };
550550-}
551551-552552-function classifyWithAI_(meta) {
553553- const prompt = buildPrompt_(meta);
554554- const payload = {
555555- model: AI_MODEL,
556556- messages: [{ role: "user", content: prompt }],
557557- stream: false,
558558- temperature: 0.1,
559559- max_tokens: 150
560560- };
561561-562562- const headers = {
563563- "Authorization": `Bearer ${AI_API_KEY}`,
564564- "Content-Type": "application/json"
565565- };
566566-567567- let resp;
568568- try {
569569- resp = UrlFetchApp.fetch(AI_BASE_URL, {
570570- method: "post",
571571- payload: JSON.stringify(payload),
572572- headers,
573573- muteHttpExceptions: true,
574574- validateHttpsCertificates: true,
575575- timeout: AI_TIMEOUT_MS
576576- });
577577- } catch (e) {
578578- throw new Error(`AI request network error: ${e}`);
579579- }
580580-581581- const status = resp.getResponseCode();
582582-583583- // Handle rate limiting
584584- if (handleAIRateLimit_(resp)) {
585585- throw new Error(`AI rate limit (HTTP ${status})`);
586586- }
587587-588588- if (status < 200 || status >= 300) {
589589- const errorBody = resp.getContentText().slice(0, 500);
590590- throw new Error(`AI HTTP ${status}: ${errorBody}`);
591591- }
592592-593593- const text = resp.getContentText();
594594- if (!text) {
595595- throw new Error("AI returned empty response");
596596- }
597597-598598- let pertains = false, reason = "default false (strict)";
599599-600600- try {
601601- const json = JSON.parse(text);
602602- const content = (json.choices?.[0]?.message?.content) || "";
603603-604604- if (!content) {
605605- throw new Error("AI response missing content");
606606- }
607607-608608- const parsed = tryParseJSON_(content);
609609-610610- if (parsed && typeof parsed.pertains === "boolean") {
611611- pertains = parsed.pertains;
612612- reason = parsed.reason || "AI decision (no reason provided)";
613613- } else {
614614- // Fallback parsing for non-JSON responses
615615- const lc = content.toLowerCase();
616616-617617- if (/"\s*pertains\s*"\s*:\s*true/i.test(content) || /"true"/.test(content)) {
618618- pertains = true;
619619- reason = "AI indicated true (fallback parse)";
620620- } else if (/"\s*pertains\s*"\s*:\s*false/i.test(content) || /"false"/.test(content)) {
621621- pertains = false;
622622- reason = "AI indicated false (fallback parse)";
623623- } else {
624624- if (/\bsecurity\s+alert\b|\bpassword\s+reset\b|\bverification\s+code\b/.test(lc)) {
625625- pertains = true;
626626- reason = "fallback: security keywords detected";
627627- } else if (/\baward\s+letter\b.*\bready\b|\bfinancial\s+aid\b.*\boffer\b.*\bready\b/.test(lc)) {
628628- pertains = true;
629629- reason = "fallback: aid offer keywords detected";
630630- } else {
631631- throw new Error(`Could not parse AI response: ${content.slice(0, 200)}`);
632632- }
633633- }
634634- }
635635- } catch (e) {
636636- throw new Error(`AI parse error: ${e}. Response: ${text.slice(0, 500)}`);
637637- }
638638-639639- return { pertains, reason };
640640-}
641641-642642-function buildPrompt_(meta) {
643643- return [
644644- "You must return EXACTLY one JSON object with NO additional text: { \"pertains\": true|false, \"reason\": \"explanation\" }",
645645- "",
646646- "Return pertains=true ONLY IF the email meets ONE of these STRICT criteria:",
647647- " A) Security/password alert (password reset, account locked, verification code, suspicious activity)",
648648- " B) Scholarship AWARDED/RECEIVED (not held, not consideration, not eligible, not apply)",
649649- " C) Financial aid offer explicitly READY/AVAILABLE to view/review (award letter posted/ready)",
650650- " D) Confirmation of student action (application received, enrollment confirmed)",
651651- "",
652652- "Return pertains=false for:",
653653- " - Marketing emails (learn more, join us, events, newsletters)",
654654- " - Scholarship held/reserved/eligible/consideration/apply",
655655- " - Financial aid applications or FAFSA reminders",
656656- " - General announcements, campus events, open houses",
657657- " - Anything that doesn't meet criteria A-D above",
658658- "",
659659- "When uncertain, return false. Be strict.",
660660- "",
661661- `From: ${meta.from}`,
662662- `To: ${meta.to}`,
663663- `Cc: ${meta.cc}`,
664664- `Subject: ${meta.subject}`,
665665- `Body: ${meta.body}`,
666666- "",
667667- "JSON response:"
668668- ].join("\n");
669669-}
670670-671671-// ---------- Utilities ----------
672672-function getOrCreateLabel_(name) {
673673- return GmailApp.getUserLabelByName(name) || GmailApp.createLabel(name);
674674-}
675675-676676-function safeStr_(s, maxLen) {
677677- if (s === null || s === undefined) return "";
678678- s = s.toString().trim();
679679- if (maxLen && s.length > maxLen) return s.slice(0, maxLen);
680680- return s;
681681-}
682682-683683-function tryParseJSON_(s) {
684684- if (!s) return null;
685685-686686- try {
687687- return JSON.parse(s);
688688- } catch (e) {
689689- const codeBlockMatch = s.match(/```(?:json)?\s*(\{[\s\S]*?\})\s*```/);
690690- if (codeBlockMatch) {
691691- try {
692692- return JSON.parse(codeBlockMatch[1]);
693693- } catch (e2) {}
694694- }
695695-696696- const i = s.indexOf("{");
697697- const j = s.lastIndexOf("}");
698698- if (i !== -1 && j !== -1 && j > i) {
699699- try {
700700- return JSON.parse(s.slice(i, j + 1));
701701- } catch (e3) {}
702702- }
703703-704704- return null;
705705- }
706706-}
707707-708708-function setupTriggers() {
709709- ScriptApp.getProjectTriggers().forEach(trigger => {
710710- if (trigger.getHandlerFunction() === "runTriage") {
711711- ScriptApp.deleteTrigger(trigger);
712712- }
713713- });
714714-715715- ScriptApp.newTrigger("runTriage")
716716- .timeBased()
717717- .everyMinutes(10)
718718- .create();
719719-720720- Logger.log("Trigger created: runTriage every 10 minutes");
721721-}
722722-723723-// Manual functions for testing/debugging
724724-function resetRateLimit() {
725725- const props = PropertiesService.getScriptProperties();
726726- props.deleteProperty(RATE_LIMIT_PROPERTY);
727727- props.deleteProperty(RATE_LIMIT_COUNT_PROPERTY);
728728- Logger.log("Rate limit reset");
729729-}
730730-731731-function checkRateLimitStatus() {
732732- const props = PropertiesService.getScriptProperties();
733733- const count = getCurrentRateLimitCount_();
734734- const resetTime = props.getProperty(RATE_LIMIT_PROPERTY);
735735-736736- Logger.log(`Rate limit status: ${count}/${MAX_AI_CALLS_PER_HOUR} calls`);
737737- if (resetTime) {
738738- Logger.log(`Reset time: ${new Date(parseInt(resetTime)).toISOString()}`);
739739- } else {
740740- Logger.log("No active rate limit window");
741741- }
742742-}
+4-5
generate-gscript.ts
src/generate-gscript.ts
···44import { readFile, writeFile } from "fs/promises";
5566// Read the classifier
77-const classifierSrc = await readFile("classifier.ts", "utf-8");
77+const classifierSrc = await readFile("src/classifier.ts", "utf-8");
8899// Extract patterns from each rule function
1010const extractPatterns = (functionName: string): string[] => {
···190190}
191191`.trim();
192192193193-await writeFile("filter_generated.gscript", gscript);
194194-console.log("✅ Generated filter_generated.gscript");
195195-console.log(" Copy the classifyEmailTS() function into your Google Apps Script");
196196-console.log(" and call it instead of classifyWithAI_() for offline classification");
193193+await writeFile("build/filter-hybrid.gs", gscript);
194194+console.log("✅ Generated build/filter-hybrid.gs");
195195+console.log(" Deploy this file to Google Apps Script");