I would build a lessons archive around retrieval at the moment of planning. Most organizations can collect observations. Far fewer can place the right lesson in front of the next team before a similar decision is made. The archive should close that gap by treating every lesson as a small, tested unit of operating knowledge rather than a paragraph buried in a final report.
Start with the next planning decision
The first customer could be a project office that manages similar launches across several teams. Instead of starting with a broad document upload, I would map the questions a project lead asks during planning and identify which past records could actually change that plan.
Preserve context and source records
Each entry needs a stable event identifier and enough context to judge transfer. A lesson from a small pilot may not apply to a national rollout. Store the conditions, constraints, observed result and source record beside the proposed lesson. The archive should make it easy to say that a finding is narrow or provisional. Removing context to create a neat one-line insight makes search results look useful while making their application less reliable.
Each entry would need context: the situation, the expected result, the observation, the likely cause, the decision, and the evidence available later. Tags alone cannot carry that meaning. I would combine a controlled vocabulary with plain language and relationships between events, teams, systems, and recurring conditions.
Test the search vocabulary
Search should combine ordinary language with a few controlled fields that match the customer's work. A project manager might filter by launch stage, dependency type, team size or regulatory setting. Too many mandatory tags would make contribution expensive; no structure would make retrieval inconsistent. I would test the smallest vocabulary that helps a real user distinguish relevant records. The taxonomy should follow actual retrieval attempts rather than an elaborate classification plan written in advance.
Give publication an owner
Publication would be an editorial act. A reviewer would remove duplication, protect sensitive detail, test whether the proposed lesson follows from the evidence, and decide where it should appear later. The archive would preserve the original record while offering a concise reusable version.
An entry's approval status matters as much as its title. Draft observations, reviewed findings and adopted practices should look different in results. Access controls need to travel with source links and exports so a summary does not disclose a restricted incident. A steward could own corrections and removal requests. If an underlying report changes, the archive should flag dependent entries for review rather than leave an old conclusion circulating as settled guidance.
Price the cleanup and ongoing service
A business model could center on departmental subscriptions with import and cleanup work priced separately. The initial service may be mostly editorial: reconcile duplicate records, normalize titles and ask subject owners to confirm applicability. That work tests whether the proposed structure helps before a team invests in sophisticated search. Procurement will also care about exportability. Customers should be able to retrieve their records in a usable format if they leave the service.
Pilot retrieval before expanding
A pilot should start with a bounded collection and a set of real planning questions. Ask project leads to find an applicable lesson using their existing folders, then try the same task in the prototype. Record what they found, how they judged it and whether it affected a decision. A fast search that returns an irrelevant summary is not a win. The evaluation should inspect relevance and context alongside the time required.
Debriefed.com could be a clear public identity for an archive built around learning from completed work. The website would need to explain how records become trustworthy enough to reuse and how the archive differs from generic file storage. An illustrative collection could show a finding, its source and the conditions under which it applies. Real client material would require permission and careful redaction; a convincing demonstration need not expose anyone's confidential review.
Keep the archive current
Maintenance is part of the product. Findings can expire when systems, regulations or operating assumptions change. Give each entry a review date and a named steward, then show its current status to readers. Track searches that return nothing and records repeatedly opened but never used. Those signals can guide editorial work. An archive earns continued use by helping the next team prepare, rather than by accumulating an impressive count of lessons nobody can apply.
Reach the people who need the records
For customer acquisition, I would approach project offices that already maintain a closeout-report collection. An anonymized sample could show a planning question, a relevant source record and the proposed reusable entry. A short paid cleanup engagement would give the buyer a way to evaluate the work before adopting an ongoing service. Referrals from existing facilitators could reach sponsors when a review has just produced material worth preserving. Any demonstration would need permission for the records it uses.