GenAI Field Guide
Pitfall What happens Fix
Official material in a personal app Data leaves the accredited boundary Never a personal account for official material; your accredited platform, within your command's guidance. Where your text goes
Treating it like a search engine Answers from stale training data, stated confidently Attach the source or use search; know its knowledge cutoff from the model card
No source given Plausible invention "Answer only from the attached; say if it isn't there"
Trusting the citations Fabricated references that look real Open every citation before you use it
One giant prompt The fourth thing you asked for is done badly One job per prompt; check between steps
A 200-turn chat Early instructions forgotten after compaction New chat per task; durable material in a project
Numbers from a language model Arithmetic and counts that are subtly wrong Calculator, spreadsheet, or code you read
Wrong tool for the shape of the job Fighting the product instead of working Which tool for which job
Accepting an agent's "done" Silent failures reported as success Give it a test for done; read the transcript
Powerful tools plus untrusted content Prompt injection turns a document into instructions Narrow tools, human gate before actions
Not reading the output Fluent text goes out with an error in paragraph three Read it as the recipient before you sign
Chasing the newest model Slower, no more accurate for routine work Fit, source, thinking level, verify. Choosing a model