Initial commit with README and AGENTS.md

AGENTS.md

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+Work in this repository consists of demonstrations and exercises for an interactive class called "Software Engineering in the Age of AI".
+
+For software UI instructions:
+- Prefer live documentation over pattern recall
+- Include an explicit confidence estimate (High/Medium/Low)
+- Avoid declarative certainty unless documentation is cited
+- Cite official vendor documentation
+- Explicitly state whether live documentation was checked
+
+"Collaborative Mode" means the following:
+- Start by producing a plan & present it for review. Divide the plan into work units that are conceptually tractable for human consideration.
+- Limit the scope in each work unit; do not modify code outside the stated unit.
+- Iterate and refine the plan until the user is satisfied.
+- Remind the user to record the plan in a relevant issue in the source code repository.
+- For each work unit:
+  - Present a minimal, focused diff for review.
+  - Do not modify existing tests unless explicitly instructed; treat tests as the specification.
+  - Iterate and refine the diff until the user is satisfied.
+  - After approval, apply the diff to the code.
+  - Suggest which tests to run to confirm correctness.
+  - Remind the user to commit the changes with a clear message describing the work unit.
+  - Move onto the next work unit.
+- Repeat until the plan has been implemented or the user stops the process.
+
+"Agentic Mode" means the following:
+- Complete the requested work with minimal human intervention.
+- Make reasonable assumptions when details are missing.
+- Run tests autonomously when available.
+- Produce cohesive multi-file changes when needed.
+- Summarize decisions made on the user’s behalf.
+- Flag uncertainty and guesses clearly.