Ship the 0.8.0 first-hour and campaign milestone

Add the campaign shell, pause-safe checkpoint resume, post-shift campaign
continue, confirmed campaign reset, difficulty presets, searchable Help,
content-matrix validation, recovery events, contextual dialogue, policy/debrief
context and eligible-event previews. Extend persistence with atomic separate
files and add campaign/checkpoint/tutorial smokes. Headless 247/247, Python
94/94, tutorial/campaign/session/scenario smokes green.

src/core/npc_controller.gd

@@ -71,10 +71,13 @@ func _build_fsm(initial_state: String) -> void:
 	fsm.add_transition("THREATENING", "FORCING_ENTRY")
 	fsm.start(initial_state)
 
-func roll_reaction(level: int) -> int:
-	## Weighted pick from profile's reaction table for `level`.
+func roll_reaction(level: int, compliance_bonus: float = 0.0) -> int:
+	## Weighted pick from profile's reaction table for `level`. Difficulty can
+	## nudge compliance without changing the authored weights.
 	highest_escalation_received = maxi(highest_escalation_received, level)
 	var weights: Dictionary = profile.pickup_reactions_per_level(level).duplicate()
+	if compliance_bonus != 0.0:
+		weights[Rules.Reaction.COMPLY] = maxf(0.0, float(weights.get(Rules.Reaction.COMPLY, 0)) + compliance_bonus * 100.0)
 	var roll_value := rng.randf()
 	var total := 0.0
 	for key in weights.keys():
@@ -88,9 +91,12 @@ func roll_reaction(level: int) -> int:
 			return key
 	return Rules.Reaction.LEAVE
 
-func apply_player_action(level: int) -> Dictionary:
+func context_line(context: String) -> String:
+	return profile.line_for(context, rng) if profile else ""
+
+func apply_player_action(level: int, compliance_bonus: float = 0.0) -> Dictionary:
 	## Returns reaction to the player's action and updates FSM when needed.
-	var performed_reaction := roll_reaction(level)
+	var performed_reaction := roll_reaction(level, compliance_bonus)
 	reaction = performed_reaction
 	reaction_set = true
 	_update_state_for_reaction(performed_reaction)