[S-03] Student can sign in and read only their own supervision history

[ounold]

Summary

Allow the student to authenticate and view only their own notes and current supervision context.

Type

Slice

Status at import

blocked

Why this matters

The app already has generic auth, but not domain-specific identity mapping. The exact rule tying a student account to one supervision thread must be encoded in data and policy first.

Depends on

• F-01
• F-02
• S-02

Blocked by

• student-to-record linking and access policy details

PRD references

• US-02
• FR-003
• FR-005

Definition of done

• A student can access only their own note history
• History is chronological
• Current versus completed items can be distinguished in the student view

Notes

• Imported from context/foundation/roadmap.md