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/game/ui/shift_review.gd

@@ -6,12 +6,15 @@ const Strings := preload("res://src/core/strings.gd")
 const UiArt := preload("res://src/game/ui/art.gd")
 
 signal restart_requested()
+signal continue_requested()
 signal timeline_requested(review: Dictionary)
 
 ## Kept so the timeline button can hand the full review back to the game manager.
 var _review: Dictionary = {}
 
 var report_label: Label
+var _campaign_label: Label = null
+var _continue_button: Button = null
 
 func _init() -> void:
 	name = "ShiftReview"
@@ -46,6 +49,17 @@ func _init() -> void:
 	report_label.custom_minimum_size = Vector2(720, 0)
 	center.add_child(report_label)
 
+	_campaign_label = Label.new()
+	_campaign_label.horizontal_alignment = HORIZONTAL_ALIGNMENT_CENTER
+	_campaign_label.add_theme_color_override("font_color", Color(0.62, 0.8, 0.95))
+	center.add_child(_campaign_label)
+
+	_continue_button = Button.new()
+	_continue_button.text = "Continue campaign"
+	_continue_button.pressed.connect(func(): continue_requested.emit())
+	_continue_button.size_flags_horizontal = Control.SIZE_SHRINK_CENTER
+	center.add_child(_continue_button)
+
 	var timeline := Button.new()
 	timeline.name = "TimelineButton"
 	timeline.text = Strings.lookup("review.timeline_button")
@@ -64,6 +78,7 @@ func _init() -> void:
 	quit_btn.pressed.connect(func(): get_tree().quit())
 	quit_btn.size_flags_horizontal = Control.SIZE_SHRINK_CENTER
 	_style_review_button(timeline)
+	_style_review_button(_continue_button)
 	_style_review_button(restart)
 	_style_review_button(quit_btn)
 	center.add_child(quit_btn)
@@ -84,7 +99,8 @@ func _style_review_button(button: Button) -> void:
 	button.add_theme_stylebox_override("focus", hover)
 	button.add_theme_stylebox_override("pressed", hover)
 
-func show_review(review: Dictionary, scenario: Resource, history: Array = []) -> void:
+func show_review(review: Dictionary, scenario: Resource, history: Array = [],
+		campaign_summary: Dictionary = {}) -> void:
 	_review = review
 	var reputation: Dictionary = review.get("reputation", {})
 	var incidents: Dictionary = review.get("incidents", {})
@@ -115,6 +131,7 @@ func show_review(review: Dictionary, scenario: Resource, history: Array = []) ->
 
 	var lines: Array[String] = [
 		"Venue: %s" % (scenario.display_name if scenario else review.get("scenario_id", "")),
+		"Policy: %s" % (scenario.policy_summary if scenario else "See venue policy."),
 		"Grade: %s   Score: %.0f/100" % [reputation.get("grade", "?"), reputation.get("rating", 0.0)],
 		history_line,
 		"Incidents handled: %d (peaceful %d)" % [incident_list.size(), peaceful],
@@ -135,4 +152,17 @@ func show_review(review: Dictionary, scenario: Resource, history: Array = []) ->
 		if shown >= 12:
 			break
 	report_label.text = "\n".join(lines)
+	var next_venue := str(campaign_summary.get("next_venue", ""))
+	var campaign_complete := bool(campaign_summary.get("complete", false))
+	if _campaign_label:
+		if campaign_complete:
+			_campaign_label.text = "Campaign complete. Free-play venues remain available."
+		elif next_venue != "":
+			_campaign_label.text = "Campaign shift %d complete · next: %s" % [
+				int(campaign_summary.get("shift_number", 1)) - 1,
+				next_venue.replace("_", " ").capitalize()]
+		else:
+			_campaign_label.text = ""
+	if _continue_button:
+		_continue_button.visible = not campaign_complete and next_venue != ""
 	visible = true