Apollo Brand Intelligence v3.3.0 — Printblur Platform Integration & Syndicate Hunter

Dedicated Scraper Engine (printblur_scraper.py):
- Playwright + native Microsoft Edge stealth browser automation with anti-bot evasion (--disable-blink-features=AutomationControlled, --no-sandbox).
- Persistent Cloudflare clearance profile (Apollo_Printblur_Session) with 1-click interactive authentication helper (launch_interactive_auth()).
- Comprehensive catalog search (/search?interest={term}&page={page}), creator sweeps (/@{creator}), and storefront sweeps (/shops/{shop}).
High-Yield POD Variant Dredging (expand_design_variants):
- Automatically explodes confirmed infringing designs into 50–90+ real product variants (t-shirts, hoodies, mugs, canvases, blankets, etc.).
- Title synthesis preserving parent capitalization and artwork context while filtering out unrelated merchandise.
Creator & Storefront Enrichment (enrich_seller_info):
- Resolves creator and shop handles from product pages and Nuxt hydration state with persistent disk-backed caching (printblur_seller_cache.json).
Connected Seller Network & Syndicate Discovery (find_connected_network):
- Live inspection of product recommendation sliders, viewed carousels, and related merchandise.
- Perceptual image hashing (compute_dhash) with Hamming distance comparison to identify exact photo matches ($d \le 6$) and visual clones ($d \le 14$).

UI & Marketplace Controls:
- Added "👕 Printblur.com" to platform dropdown selector.
- Added dynamic 👕 Printblur Connect authentication button and depth selector (1 Page (50) up to 10 Pages (500)).
- Configured referer headers and placeholder prompts for seamless searching.
Multi-Stage Hero Pipeline:
- Stage 1: Integrated Printblur into automated POD variant expansion.
- Stage 2: Integrated into multi-marketplace creator enrichment registry.
Connected Network Modal (ConnectedNetworkModal):
- Full platform recognition, carousel scraping, POD syndicate classification, and canonical URL reconstruction (https://printblur.com/product-p{item_id}).
Regression Test Suite:
- Added test_75_printblur_scraper_contract_and_integration validating scraper contracts, store resolution, dHash computation, and variant synthesis (75/75 tests passing).

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