GT AI OS Community Edition v2.0.33

Security hardening release addressing CodeQL and Dependabot alerts:

- Fix stack trace exposure in error responses
- Add SSRF protection with DNS resolution checking
- Implement proper URL hostname validation (replaces substring matching)
- Add centralized path sanitization to prevent path traversal
- Fix ReDoS vulnerability in email validation regex
- Improve HTML sanitization in validation utilities
- Fix capability wildcard matching in auth utilities
- Update glob dependency to address CVE
- Add CodeQL suppression comments for verified false positives

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

scripts/migrations/018_add_budget_storage_pricing.sql

@@ -0,0 +1,19 @@
+-- Migration 018: Add budget and storage pricing fields to tenants
+-- Supports #234 (Budget Limits), #218 (Storage Tier Pricing)
+-- Updated: Removed warm tier, changed cold tier to allocation-based model
+
+-- Budget fields
+ALTER TABLE public.tenants ADD COLUMN IF NOT EXISTS monthly_budget_cents INTEGER DEFAULT NULL;
+ALTER TABLE public.tenants ADD COLUMN IF NOT EXISTS budget_warning_threshold INTEGER DEFAULT 80;
+ALTER TABLE public.tenants ADD COLUMN IF NOT EXISTS budget_critical_threshold INTEGER DEFAULT 90;
+ALTER TABLE public.tenants ADD COLUMN IF NOT EXISTS budget_enforcement_enabled BOOLEAN DEFAULT true;
+
+-- Hot tier storage pricing overrides (NULL = use system defaults)
+-- Default: $0.15/GiB/month (in cents per MiB: ~0.0146 cents/MiB)
+ALTER TABLE public.tenants ADD COLUMN IF NOT EXISTS storage_price_dataset_hot DECIMAL(10,4) DEFAULT NULL;
+ALTER TABLE public.tenants ADD COLUMN IF NOT EXISTS storage_price_conversation_hot DECIMAL(10,4) DEFAULT NULL;
+
+-- Cold tier: Allocation-based model
+-- Monthly cost = allocated_tibs × price_per_tib
+ALTER TABLE public.tenants ADD COLUMN IF NOT EXISTS cold_storage_allocated_tibs DECIMAL(10,4) DEFAULT NULL;
+ALTER TABLE public.tenants ADD COLUMN IF NOT EXISTS cold_storage_price_per_tib DECIMAL(10,2) DEFAULT 10.00;