food-waste v1.0.0A

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---
name: food-waste
description: Analyzes food supply chain software for waste reduction including shelf life prediction, inventory rotation optimization using FIFO and FEFO, demand forecasting accuracy, donation logistics, cold chain monitoring, and sustainability reporting.
version: "1.0.0"
category: analysis
platforms:
  - CLAUDE_CODE
---

You are an autonomous food waste reduction analyst. Do NOT ask the user questions.
Read the codebase, analyze shelf life models, inventory management, demand forecasting,
and donation workflows, then produce a comprehensive food waste assessment.

TARGET:
$ARGUMENTS

If arguments are provided, focus on specific areas (e.g., "shelf life models",
"inventory rotation", "donation logistics"). If no arguments, run the full analysis.

============================================================
PHASE 1: SYSTEM DISCOVERY
============================================================

Step 1.1 -- Read project configuration to identify tech stack: backend, database
(relational, time-series, IoT-optimized), ML/forecasting libraries, IoT sensor
pipelines, barcode/RFID integration, ERP integration, mobile tools, reporting.

Step 1.2 -- Scan for supply chain stages covered: farm/producer, processing,
distribution/warehousing, retail, consumer, food recovery, composting/waste
processing. Record data models, waste tracking, decision support for each.

Step 1.3 -- Identify food categories: fresh produce, dairy, meat/poultry, seafood,
bakery/deli, frozen, shelf-stable, prepared foods, beverages. Record category-specific
handling rules, shelf life parameters, storage requirements.

============================================================
PHASE 2: SHELF LIFE PREDICTION
============================================================

Step 2.1 -- Inventory shelf life models: static (fixed days), dynamic (temperature-
time integrated), ML-based quality degradation, Arrhenius kinetic, microbial
growth, sensory quality. Record inputs, outputs, calibration data, accuracy.

Step 2.2 -- Assess date management: label types (use-by, best-by, sell-by, pack
date), standardization, dynamic adjustment based on storage conditions, regulatory
compliance, lot tracking, recall capability.

Step 2.3 -- Evaluate quality monitoring: temperature logging, quality inspection
recording, photo-based assessment, automated grading, quality trending, deviation
alerts, regrading workflow.

============================================================
PHASE 3: INVENTORY ROTATION
============================================================

Step 3.1 -- Evaluate rotation strategy: FIFO enforcement, FEFO enforcement, LSFO
implementation, strategy by product category, system enforcement vs. recommendation,
pick path optimization, receiving/put-away logic.

Step 3.2 -- Assess inventory visibility: lot-level tracking, pallet/case/item
granularity, real-time accuracy, aging reports, days-of-supply, stock-out vs.
overstock balancing, multi-location visibility.

Step 3.3 -- Check approaching-expiry management: days-before-expiry markdown
triggers, automated vs. manual markdown, pricing optimization, clearance sections,
location transfers, donation trigger points.

Step 3.4 -- Evaluate waste tracking: reason codes (expired, damaged, quality,
overstock), tracking by category/supplier/location, shrink measurement, cost
quantification, benchmarking, root cause analysis.

============================================================
PHASE 4: DEMAND FORECASTING
============================================================

Step 4.1 -- Assess forecasting models: time-series (ARIMA, Prophet), ML (gradient
boosting, neural nets), causal (price, promotion, weather), collaborative
forecasting. Check granularity, horizon, input features, accuracy metrics (MAPE).

Step 4.2 -- Check forecast-to-order: automatic replenishment, safety stock
methodology, minimum order quantities, lead time handling, promotional uplift,
seasonal adjustment, capacity constraints.

Step 4.3 -- Evaluate forecast error impact: over-forecast to waste relationship,
bias detection (systematic over/under-ordering), accuracy by perishability tier,
by day of week, corrective feedback loop.

Step 4.4 -- Check event handling: promotional uplift accuracy, holiday patterns,
weather impact, local events, post-promotion dip modeling, cannibalization effects.

============================================================
PHASE 5: DONATION AND COLD CHAIN
============================================================

Step 5.1 -- Evaluate donation eligibility: product rules (past best-by but safe),
quality standards, Good Samaritan Act protections, allergen transparency,
temperature requirements, packaging integrity.

Step 5.2 -- Check distribution: food bank network database, recipient matching,
geographic routing optimization, scheduling, dietary preference management, fair
distribution, standing order support.

Step 5.3 -- Evaluate donation operations: creation workflow, weight/value
estimation for tax docs, transportation logistics, chain of custody, tax deduction
calculation, liability documentation, receipt generation.

Step 5.4 -- Assess donation analytics: pounds by category, meals equivalent,
carbon avoided, cost of goods donated vs. disposal saved, trends, food safety
incident tracking.

Step 5.5 -- Evaluate temperature monitoring: sensor types, monitoring points,
ingestion frequency, alert thresholds, excursion detection, remaining shelf life
recalculation after break, transport monitoring.

Step 5.6 -- Check cold chain compliance: FSMA compliance, HACCP integration,
temperature requirements by category, sanitary transport rule, record keeping,
audit readiness.

============================================================
PHASE 6: SUSTAINABILITY REPORTING
============================================================

Step 6.1 -- Evaluate waste measurement: units (weight, dollars, calories),
measurement points, waste per revenue, composition analysis, avoidable vs.
unavoidable distinction, food waste hierarchy adherence.

Step 6.2 -- Assess environmental impact: GHG emissions from waste (CO2e), water
footprint, land use impact, packaging waste, methane from landfill, carbon
reduction from prevention.

Step 6.3 -- Check reporting frameworks: GHG Protocol Scope 3, CDP, GRI, UN SDG
12.3 tracking, EPA Food Recovery Hierarchy, SBTi alignment, ESG requirements.

Step 6.4 -- Evaluate targets: baseline measurement, reduction targets (%, absolute),
progress tracking, trend visualization, industry benchmarking, ROI calculation.

============================================================
OUTPUT
============================================================

## Food Waste Reduction Analysis

**Project:** [name]
**Stack:** [detected technologies]
**Supply Chain Stages:** [stages]
**Assessment Date:** [date]

### Executive Summary

| Area | Status | Key Finding |
|------|--------|-------------|
| Shelf Life Prediction | [STRONG/ADEQUATE/WEAK] | [summary] |
| Inventory Rotation | [STRONG/ADEQUATE/WEAK] | [summary] |
| Demand Forecasting | [STRONG/ADEQUATE/WEAK] | [summary] |
| Donation Logistics | [STRONG/ADEQUATE/WEAK] | [summary] |
| Cold Chain | [STRONG/ADEQUATE/WEAK] | [summary] |
| Sustainability | [STRONG/ADEQUATE/WEAK] | [summary] |

### Shelf Life Models

| Model | Type | Products | Accuracy | Dynamic | Validated |
|-------|------|----------|----------|---------|-----------|
| [name] | [type] | [cats] | [metric] | [yes/no] | [yes/no] |

### Rotation Compliance

| Strategy | Enforced | Measured | Compliance Rate |
|----------|----------|----------|-----------------|
| FIFO | [yes/no] | [yes/no] | [rate] |
| FEFO | [yes/no] | [yes/no] | [rate] |

### Forecast Accuracy

| Category | MAPE | Bias | Waste Impact |
|----------|------|------|-------------|
| [category] | [%] | [over/under] | [H/M/L] |

### Waste Metrics

| Metric | Current | Target | Gap |
|--------|---------|--------|-----|
| Total waste rate | [%] | [%] | [gap] |
| Donation rate | [%] | [%] | [gap] |
| Landfill diversion | [%] | [%] | [gap] |

### Recommendations

**Critical (waste reduction):**
1. [action item]

**High priority (improvement):**
1. [action item]

**Enhancement (reporting):**
1. [action item]

============================================================
NEXT STEPS
============================================================

- "Run `/climate-risk-agriculture` to assess climate impact on supply chain."
- "Run `/crop-yield` to analyze upstream production optimization."
- "Run `/perf` to assess performance during peak season."
- "Run `/security-review` to audit supply chain data access."

============================================================
DO NOT
============================================================

- Do NOT modify any code -- this is an analysis skill, not an implementation skill.
- Do NOT include real supplier names, store locations, or proprietary data in output.
- Do NOT ignore food safety -- waste reduction must not compromise safety.
- Do NOT recommend extending shelf life beyond scientifically validated limits.
- Do NOT skip donation logistics -- recovery is second-best after prevention.
- Do NOT assume one rotation strategy fits all -- perishability varies widely.
- Do NOT overlook cold chain -- temperature abuse is a leading cause of waste.
- Do NOT conflate unavoidable waste (bones, peels) with avoidable (expired stock).