docs: bootstrap tutor planning

openspec/changes/bootstrap-job-tutor-platform/specs/learning-progression/spec.md

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+# learning-progression Specification
+
+## ADDED Requirements
+
+### Requirement: Learning progression is evidence-backed and game-inspired
+
+The system SHALL use game-inspired progression loops to make study sessions
+rewarding while tying progress to learning evidence.
+
+#### Scenario: session loop ends with visible progress
+
+- **GIVEN** a user completes an interview-practice loop
+- **WHEN** the system grades the answer and extracts memory
+- **THEN** the user sees what improved, what remains weak, and the next
+  recommended challenge
+- **AND** any progress shown is linked to grading or memory evidence.
+
+#### Scenario: adaptive challenge stays near learner ability
+
+- **GIVEN** the learner repeatedly fails a concept at the current difficulty
+- **WHEN** the next challenge is selected
+- **THEN** the system lowers difficulty, changes explanation strategy, or inserts
+  a recovery question
+- **AND** does not simply continue escalating difficulty.
+
+### Requirement: Progression surfaces support interview readiness
+
+The system SHALL expose progression surfaces that help job seekers understand
+interview readiness.
+
+#### Scenario: readiness map summarizes concept state
+
+- **GIVEN** the learner has completed diagnostic or practice sessions
+- **WHEN** the readiness map is displayed
+- **THEN** each concept has a readiness state
+- **AND** the state can be traced to answer evidence, misconception evidence, or
+  review completion.
+
+#### Scenario: boss question unlocks after prerequisite stability
+
+- **GIVEN** a cluster of prerequisite concepts is stable enough
+- **WHEN** the user reaches the next milestone
+- **THEN** the system may unlock an integrated boss-style interview question
+- **AND** the question combines multiple concepts under realistic constraints.
+
+### Requirement: Engagement mechanics avoid exploitative patterns
+
+The system SHALL avoid engagement mechanics that encourage unhealthy compulsion
+or shame.
+
+#### Scenario: streaks do not punish missed days
+
+- **GIVEN** a user misses a scheduled practice day
+- **WHEN** the user returns
+- **THEN** the system helps the user resume with a recovery plan
+- **AND** does not erase durable learning progress.
+
+#### Scenario: rewards are connected to learning value
+
+- **GIVEN** the system awards progress, badges, unlocks, or generated assets
+- **WHEN** the reward is shown
+- **THEN** it reflects mastery, effort, review completion, or interview readiness
+- **AND** is not primarily a gambling-like random reward.