{"revision":"A.1","status":"Open briefs; proposals are non-exclusive until reviewed.","tasks":[{"id":"PU-101","title":"Local supplier map","track":"research","effort":"2–4 hours","brief":"Compare five local manufacturing candidates.","acceptance":"Official source links, location, process, prototype capability, open questions; no invented relationship.","for_whom":"Researcher / intern / agent","status":"open"},{"id":"PU-102","title":"Make the RFQ pack","track":"business","effort":"3–6 hours","brief":"Prepare one comparable request-for-quote package.","acceptance":"Drawings/BOM checklist; 5/25/100-unit columns; tooling, lead time, inspection and ownership questions. Draft only; no outreach.","for_whom":"Maker / intern / agent","status":"open"},{"id":"PU-103","title":"Buoy assembly study","track":"design","effort":"4–8 hours","brief":"Propose a serviceable lantern assembly.","acceptance":"Exploded view, BOM, assembly sequence, access/tolerance assumptions and failure questions. Mark all CAD preliminary.","for_whom":"Designer / engineer","status":"open"},{"id":"PU-104","title":"Fan measurement protocol","track":"engineering","effort":"3–5 hours","brief":"Define a repeatable fan benchmark.","acceptance":"Airflow/noise/power method, instrument list, geometry, calibration, raw-data template and uncertainty.","for_whom":"Engineer / intern / agent","status":"open"},{"id":"PU-105","title":"Sunboard tray + wind study","track":"engineering","effort":"4–8 hours","brief":"Explore frame-supported tray and stand stability.","acceptance":"Load paths, wind assumptions, failure modes and validation proposal; no released load rating.","for_whom":"Engineer / designer","status":"open"},{"id":"PU-106","title":"Energy model review","track":"engineering","effort":"2–4 hours","brief":"Audit the shared energy budget.","acceptance":"Reproducible calculations, peak vs average loads, solar/charge limits, temperature assumptions and source links.","for_whom":"Engineer / agent","status":"open"},{"id":"PU-107","title":"Cold Box test matrix","track":"engineering","effort":"3–5 hours","brief":"Prepare an instrumented refrigeration test.","acceptance":"Ambient/load/opening matrix; calibrated sensor placement; energy/startup log; no invented data.","for_whom":"Engineer / intern","status":"open"},{"id":"PU-108","title":"Listen to beach + home users","track":"research","effort":"2–4 hours","brief":"Draft a consent-based discovery plan.","acceptance":"Ten neutral interview questions, recruitment plan and anonymized insight template. Seek approval before interviews.","for_whom":"Researcher / intern / agent","status":"open"},{"id":"PU-109","title":"Unit economics workbook","track":"business","effort":"3–6 hours","brief":"Build editable cost and margin scenarios.","acceptance":"Separate components, labor, test, tooling amortization, scrap, freight, warranty and margin; label estimates; no fake quotes.","for_whom":"Business / intern / agent","status":"open"},{"id":"PU-110","title":"Accessible workshop audit","track":"software","effort":"2–4 hours","brief":"Check forms, mobile layout and agent instructions.","acceptance":"Reproduction steps, expected/actual behavior, keyboard/accessibility observations and proposed fix.","for_whom":"Developer / intern / agent","status":"open"},{"id":"PU-111","title":"Passive breeze experiment","track":"engineering","effort":"3–5 hours","brief":"Design a low-risk wind-scoop experiment.","acceptance":"Fan-off vs fan-on protocol, geometry, wind readings, noise and stability notes. Publish negative findings too.","for_whom":"Designer / researcher","status":"open"},{"id":"PU-112","title":"Repair + spare parts system","track":"design","effort":"2–4 hours","brief":"Draft service documentation across the range.","acceptance":"Part-number convention, tool list, repair sequence, wear parts, documentation and service boundaries.","for_whom":"Designer / intern / agent","status":"open"}]}