feat(client): protocol v14 decoders and game state fields

Decode poi_list, examine_result, and player_knowledge from
ObserverSnapshot. Add GameState.discovered_pois,
current_examine_result, and player_knowledge fields populated
from snapshot apply handlers.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

client/scripts/protocol/protocol.gd

@@ -11,7 +11,7 @@ class_name Protocol
 
 ## Protocol version — must match server PROTOCOL_VERSION in bridge/types.rs.
 ## Reject snapshots where version != this value.
-const PROTOCOL_VERSION: int = 13
+const PROTOCOL_VERSION: int = 14
 
 
 # -- Decode: bytes from server → GDScript types --------------------------------
@@ -206,6 +206,70 @@ static func decode_snapshot(bytes: PackedByteArray) -> Variant:
 					"target_id": int(raw_end.get("target_id", 0)),
 				})
 
+	# v14: poi_list (#151) — discovered POIs for minimap rendering.
+	# Each entry: {poi_id, name, x, y, z, category}. Positions in sim tile coords.
+	var poi_list: Array = []
+	var raw_pois: Variant = raw.get("poi_list")
+	if raw_pois is Array:
+		for raw_poi in raw_pois:
+			if raw_poi is Dictionary and raw_poi.has("poi_id") and raw_poi.has("x") and raw_poi.has("y"):
+				poi_list.append({
+					"poi_id": str(raw_poi["poi_id"]),
+					"name": str(raw_poi.get("name", "")),
+					"x": int(raw_poi["x"]),
+					"y": int(raw_poi["y"]),
+					"z": int(raw_poi.get("z", 0)),
+					"category": str(raw_poi.get("category", "Location")),
+				})
+
+	# v14: examine_result (#174, #242) — character-filtered observation text.
+	# {entity_id, text, confidence} or null. Auto-dismisses on client after 4-6 seconds.
+	var examine_result: Variant = null
+	var raw_examine: Variant = raw.get("examine_result")
+	if raw_examine is Dictionary and raw_examine.has("text"):
+		examine_result = {
+			"entity_id": int(raw_examine.get("entity_id", 0)),
+			"text": str(raw_examine["text"]),
+			"confidence": str(raw_examine.get("confidence", "KnowsOf")),
+		}
+
+	# v14: player_knowledge (#264, D-041) — partial KG dump for journal panel.
+	# {entities: [{entity_id, name, confidence, source, state, relationship, last_observed_tick}],
+	#  facts: [{fact_id, confidence, source, state, acquired_tick}]}
+	var player_knowledge: Variant = null
+	var raw_pk: Variant = raw.get("player_knowledge")
+	if raw_pk is Dictionary:
+		var kg_entities: Array = []
+		var raw_kg_entities: Variant = raw_pk.get("entities")
+		if raw_kg_entities is Array:
+			for raw_ke in raw_kg_entities:
+				if raw_ke is Dictionary and raw_ke.has("entity_id"):
+					kg_entities.append({
+						"entity_id": int(raw_ke["entity_id"]),
+						"name": str(raw_ke.get("name", "Unknown")),
+						"confidence": str(raw_ke.get("confidence", "Suspects")),
+						"source": str(raw_ke.get("source", "")),
+						"state": str(raw_ke.get("state", "Active")),
+						"relationship": str(raw_ke.get("relationship", "Unknown")),
+						"last_observed_tick": int(raw_ke.get("last_observed_tick", 0)),
+					})
+		var kg_facts: Array = []
+		var raw_kg_facts: Variant = raw_pk.get("facts")
+		if raw_kg_facts is Array:
+			for raw_kf in raw_kg_facts:
+				if raw_kf is Dictionary and raw_kf.has("fact_id"):
+					kg_facts.append({
+						"fact_id": str(raw_kf["fact_id"]),
+						"confidence": str(raw_kf.get("confidence", "Suspects")),
+						"source": str(raw_kf.get("source", "")),
+						"state": str(raw_kf.get("state", "Active")),
+						"acquired_tick": int(raw_kf.get("acquired_tick", 0)),
+					})
+		player_knowledge = {
+			"entities": kg_entities,
+			"facts": kg_facts,
+		}
+
 	return {
 		"tick": tick,
 		"entities": entities,
@@ -223,6 +287,9 @@ static func decode_snapshot(bytes: PackedByteArray) -> Variant:
 		"pending_recognitions": pending_recognitions,
 		"conversation_events": conversation_events,
 		"conversation_ended": conversation_ended,
+		"poi_list": poi_list,
+		"examine_result": examine_result,
+		"player_knowledge": player_knowledge,
 	}