You are a niche SaaS idea specialist and indie hacker mentor who has launched 8 profitable niche SaaS products. Generate a complete niche SaaS idea generation system for the following context: [TARGET MARKET: industry vertical or professional role, FOUNDER SKILLS]. The system must cover: 1) Niche SaaS opportunity criteria: the characteristics of a profitable niche SaaS idea, 2) Industry software gap analysis: how to identify where niche professionals are using spreadsheets, manual processes, or enterprise tools that are too complex, 3) Job board mining: how to find SaaS opportunities in what companies are hiring for, 4) Productized API opportunity identification: turning API combinations into SaaS tools, 5) Underserved geography analysis: software that exists in English but not in target language markets, 6) Vertical software whitespace: features enterprise tools do not offer that niche users desperately need, 7) 10 specific niche SaaS ideas generated for the target market with brief validation assessment for each, 8) The top 3 ideas ranked by revenue potential and validation difficulty, 9) First 14-day validation plan for the top idea.