Add comprehensive documentation for CalMiner, including architecture, development setup, MVP features, implementation plan, and testing strategy

docs/implementation_plan.md

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+# Implementation Plan
+
+## Feature: Scenario Creation and Management
+
+### Scenario Implementation Steps
+
+1. Create `models/scenario.py` for DB interactions.
+2. Implement API endpoints in `routes/scenarios.py`: GET, POST, PUT, DELETE.
+3. Add frontend component `components/ScenarioForm.vue` for CRUD.
+4. Update `README.md` with API docs.
+
+## Feature: Parameter Input and Validation
+
+### Parameter Implementation Steps
+
+1. Define parameter schemas in `models/parameters.py`.
+2. Create validation middleware in `middleware/validation.py`.
+3. Build input form in `components/ParameterInput.vue`.
+4. Integrate with scenario management.
+
+## Feature: Monte Carlo Simulation Run
+
+### Simulation Implementation Steps
+
+1. Implement simulation logic in `services/simulation.py`.
+2. Add endpoint `POST /api/simulations/run`.
+3. Store results in `models/simulation_result.py`.
+4. Add progress tracking UI.
+
+## Feature: Basic Reporting
+
+### Reporting Implementation Steps
+
+1. Create report service `services/reporting.py`.
+2. Build dashboard component `components/Dashboard.vue`.
+3. Fetch data from simulation results.
+4. Add charts using Chart.js.
+
+## Next Steps
+
+- Assign issues in GitHub.
+- Estimate effort for each step.
+- Start with backend models.