Add project documentation and framework setup

- Initialize project documentation structure
- Add business case and stakeholder analysis
- Create project plan with four milestones
- Setup framework integration via git submodule
- Configure gitignore for project structure

docs/stakeholder-analysis.md

@@ -0,0 +1,63 @@
+# Stakeholder Analysis
+
+## Metadata
+| Key | Value |
+| --- | --- |
+| ID | SA-001 |
+| CrossReference | [BC-001] |
+
+## Version History
+| Date | Status | Author | Reviewer | Change | Commit |
+| --- | --- | --- | --- | --- | --- |
+| 2026-10-04 | Accepted | Jens Tirsvad Nielsen | S01 | Initial version | pending |
+
+---
+
+## Purpose
+
+Name the one stakeholder of this very small project, so that owners and reviewers in the other documents can cite a stakeholder ID. The project is a single-person course assignment with a short Business Case ([BC-001]).
+
+## Stakeholder Summary Table
+
+| ID | Name | Role/Title | Organization | Power Level | Interest Level | Quadrant | Primary Concern (Business Language) |
+| --- | --- | --- | --- | --- | --- | --- | --- |
+| S01 | Jens Tirsvad Nielsen | Product Owner | Tirsvad | HIGH | HIGH | Manage Closely | A working, tested, documented console calculator that matches the lecture |
+
+## Power/Interest Classification Rationale
+
+S01 decides scope, does the work and accepts every milestone, so S01 is managed closely.
+
+## Primary Concerns and FURPS+ Mapping
+
+| ID | Concern | FURPS+ attribute |
+| --- | --- | --- |
+| S01 | Operations stored in a dictionary, continue with result, restart by recursion | Functionality |
+| S01 | Simple setup with a local venv and no runtime dependencies | Supportability |
+
+## Communication Requirements
+
+| ID | Channel | Frequency | Deliverable | Phase / Milestone |
+| --- | --- | --- | --- | --- |
+| S01 | Chat | Per milestone | Working-tree changes and summary | MIL-001 to MIL-004 |
+
+## Conflicting Interests and Mitigations
+
+| Conflict | Stakeholders | Mitigation |
+| --- | --- | --- |
+| None, there is one stakeholder | S01 | Not applicable |
+
+## Traceability Analysis
+
+### Business Goal Alignment
+
+| Stakeholder | Concern | Business Case objective |
+| --- | --- | --- |
+| S01 | Finish the day 10 assignment | Objectives 1 to 4 in [BC-001] |
+
+## Sign-Off
+
+Accepted by S01.
+
+---
+
+[BC-001]: ./business-case.md