Add window frosting product documentation for laboratory privacy

[Copilot]

Lab 209.3, Mechatronics, and adjacent rooms require privacy window treatments. Windows range from 177-245 cm tall and 69-99 cm wide.

Changes

• Product research: Documented three tiers of frosted window film products with verified purchase links:

  • Consumer-grade (Amazon): $150-250 total, static cling films in 45.2" × 78.74" rolls
  • Mid-range (Home Depot): $300-400 total, Gila branded 48" × 78" rolls
  • Professional (3M Fasara): $800-1200+ total, 50" wide laboratory-grade films with professional installation

• Installation guidance: Coverage strategies for windows exceeding single-roll dimensions, tool requirements, laboratory-specific considerations (UV protection, chemical resistance, durability)

• Alternative solutions: Curtain options as interim measure per issue comments

All product links sourced via web search with verified citations from legitimate retailers (not Google Shopping per agent instructions).

Files

• docs/window-frosting-products.md: Complete product catalog with dimensions, links, costs, and installation guidance
• CHANGELOG.md: Added entry for window frosting documentation

Original prompt

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This section details on the original issue you should resolve

<issue_title>Add frosting to windows</issue_title>
<issue_description>Lab 209.3

245 cm tall * 97 cm wide

209 cm * 97 cm + (35-10) cm * 97 cm

177 cm * 76 cm + ~100 cm * ~16 cm (high up)

245 cm * 69 cm

Mechatronics

197 cm * 99 cm

Next room

245 cm * 74 cm

177 cm * 76 cm + ~100 cm * ~16 cm (high up)

245 cm * 95 cm

245 cm * 95 cm

245 cm * 95 cm</issue_description>

<agent_instructions>Help me find specific product(s) I could purchase for this. Fetch all links and make sure you're not giving me bogus links. Use your perplexity mcp tool. Maybe a search engine website that allows for bot searches (i.e., probably not Google).</agent_instructions>

Comments on the Issue (you are @copilot in this section)

@sgbaird I could also check how sensitive images in these labs would be. I may do something like hanging curtains for now though. Could be black or could be a frosting in itself.

• Fixes Add frosting / privacy film to windows #503

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