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cobblemon.md

@@ -0,0 +1,31 @@
+# Cobblemon UI — Project Reference
+
+## Stack
+Phoenix 1.8 LiveView app (Elixir). Dark mode daisyUI. Docker dev setup with SSHFS mount to remote Minecraft server.
+
+## Data Source
+`.cobblemon-data/` — SSHFS mount of remote Minecraft server root (`dev.sh` mounts it). Mounted into Docker container at `/cobblemon-data`.
+
+### Key server files
+- `usercache.json` — JSON array of `{"name", "uuid", "expiresOn"}`. Maps UUIDs to player names.
+- `world/pokemon/playerpartystore/<2-char-prefix>/<uuid>.dat` — NBT binary, player's party (6 slots).
+- `world/pokemon/pcstore/<2-char-prefix>/<uuid>.dat` — NBT binary, player's PC boxes (30 boxes × 30 slots).
+- `world/playerdata/<uuid>.dat` — vanilla Minecraft player data (not currently parsed).
+
+**Important:** `.dat` files use 2-character UUID prefix subdirectories (e.g. `54/54e75a91-...dat`).
+
+## App Modules
+
+### `lib/cobblemon_ui/cobblemon_fs/`
+- `cobblemon_fs.ex` — GenServer. Cached player data access. Reads from `/cobblemon-data`. Parses `usercache.json` for names. API: `list_players/0`, `get_player/1`, `get_party/1`, `get_pc/1`, `get_pokemon/2`.
+- `nbt.ex` — Pure Elixir NBT decoder. Handles gzip + uncompressed. All 13 tag types.
+- `pokemon.ex` — Normalizes raw NBT compound → `%{species, level, form, shiny, nature, gender, ivs, evs, moves, ...}`.
+- `party_store.ex` — Parses party `.dat` → list of 6 pokemon slots.
+- `pc_store.ex` — Parses PC `.dat` → list of `%{box: n, pokemon: [...]}`.
+
+### `lib/cobblemon_ui_web/live/`
+- `dashboard_live.ex` — Main LiveView. Player sidebar (names from usercache), party/PC tabs, pokemon detail panel with IV/EV bars.
+
+### Config
+- `docker-compose.yml` — Dev container. Bind mounts `.cobblemon-data` → `/cobblemon-data` (needs `allow_other` SSHFS).
+- `dev.sh` — SSHFS mount script for `.cobblemon-data`.

lib/cobblemon_ui/cobblemon_fs/party_store.ex

@@ -19,8 +19,7 @@ defmodule CobblemonUi.CobblemonFS.PartyStore do
   def parse(path) do
     with {:ok, data} <- File.read(path),
          {:ok, {_name, root}} <- NBT.decode(data) do
-      party = Map.get(root, "party", %{})
-      slots = for i <- 0..(@party_slots - 1), do: Pokemon.normalize(Map.get(party, "slot#{i}"))
+      slots = for i <- 0..(@party_slots - 1), do: Pokemon.normalize(Map.get(root, "Slot#{i}"))
       {:ok, slots}
     else
       {:error, :enoent} -> {:error, :not_found}

lib/cobblemon_ui/cobblemon_fs/pc_store.ex

@@ -17,17 +17,18 @@ defmodule CobblemonUi.CobblemonFS.PCStore do
   def parse(path) do
     with {:ok, data} <- File.read(path),
          {:ok, {_name, root}} <- NBT.decode(data) do
-      boxes = Map.get(root, "boxes", %{})
-      {:ok, normalize_boxes(boxes)}
+      {:ok, normalize_boxes(root)}
     else
       {:error, :enoent} -> {:error, :not_found}
       {:error, reason} -> {:error, {:corrupt_data, reason}}
     end
   end
 
-  defp normalize_boxes(boxes) when is_map(boxes) do
-    boxes
-    |> Enum.filter(fn {key, _} -> String.starts_with?(key, "box") end)
+  defp normalize_boxes(root) when is_map(root) do
+    root
+    |> Enum.filter(fn {key, val} ->
+      String.match?(key, ~r/^Box\d+$/) and is_map(val) and map_size(val) > 1
+    end)
     |> Enum.sort_by(fn {key, _} -> extract_index(key) end)
     |> Enum.map(fn {key, box_data} ->
       %{
@@ -41,7 +42,7 @@ defmodule CobblemonUi.CobblemonFS.PCStore do
 
   defp normalize_box_slots(box) when is_map(box) do
     box
-    |> Enum.filter(fn {key, _} -> String.starts_with?(key, "slot") end)
+    |> Enum.filter(fn {key, _} -> String.match?(key, ~r/^Slot\d+$/) end)
     |> Enum.sort_by(fn {key, _} -> extract_index(key) end)
     |> Enum.map(fn {_key, slot_data} -> Pokemon.normalize(slot_data) end)
   end

lib/cobblemon_ui/cobblemon_fs/pokemon.ex

@@ -3,7 +3,15 @@ defmodule CobblemonUi.CobblemonFS.Pokemon do
   Normalizes raw NBT Pokémon compound data into a structured map.
   """
 
-  @stat_keys ~w(hp attack defense special_attack special_defense speed)
+  @stat_keys ~w(hp attack defence special_attack special_defence speed)
+  @stat_display_keys %{
+    "hp" => :hp,
+    "attack" => :attack,
+    "defence" => :defense,
+    "special_attack" => :special_attack,
+    "special_defence" => :special_defense,
+    "speed" => :speed
+  }
 
   @doc """
   Normalizes a raw NBT compound map representing a single Pokémon
@@ -16,34 +24,44 @@ defmodule CobblemonUi.CobblemonFS.Pokemon do
 
   def normalize(raw) when is_map(raw) do
     %{
-      species: get_string(raw, "species"),
-      level: get_int(raw, "level"),
-      form: get_string(raw, "form", "default"),
-      shiny: get_boolean(raw, "shiny"),
-      nature: get_string(raw, "nature"),
-      gender: get_string(raw, "gender"),
-      experience: get_int(raw, "experience"),
-      friendship: get_int(raw, "friendship"),
-      ability: get_string(raw, "ability"),
-      ivs: normalize_stats(Map.get(raw, "ivs")),
-      evs: normalize_stats(Map.get(raw, "evs")),
-      moves: normalize_moves(Map.get(raw, "moves"))
+      species: strip_namespace(get_string(raw, "Species")),
+      level: get_int(raw, "Level"),
+      form: get_string(raw, "FormId", "default"),
+      shiny: get_boolean(raw, "Shiny"),
+      nature: strip_namespace(get_string(raw, "Nature")),
+      gender: downcase(get_string(raw, "Gender")),
+      experience: get_int(raw, "Experience"),
+      friendship: get_int(raw, "Friendship"),
+      ability: extract_ability(Map.get(raw, "Ability")),
+      ivs: normalize_stats(nested_get(raw, ["IVs", "Base"])),
+      evs: normalize_stats(Map.get(raw, "EVs")),
+      moves: normalize_moves(Map.get(raw, "MoveSet"))
     }
   end
 
   defp normalize_stats(nil), do: nil
 
   defp normalize_stats(stats) when is_map(stats) do
-    Map.new(@stat_keys, fn key -> {String.to_atom(key), get_int(stats, key, 0)} end)
+    Map.new(@stat_keys, fn key ->
+      # Stats may be keyed with "cobblemon:" namespace prefix
+      val = Map.get(stats, "cobblemon:#{key}", Map.get(stats, key, 0))
+      display_key = Map.get(@stat_display_keys, key, String.to_atom(key))
+      {display_key, val}
+    end)
   end
 
   defp normalize_moves(nil), do: []
 
   defp normalize_moves(moves) when is_list(moves) do
     Enum.map(moves, fn
-      move when is_map(move) -> get_string(move, "id")
-      move when is_binary(move) -> move
-      _ -> nil
+      move when is_map(move) ->
+        get_string(move, "MoveName") || get_string(move, "id")
+
+      move when is_binary(move) ->
+        move
+
+      _ ->
+        nil
     end)
     |> Enum.reject(&is_nil/1)
   end
@@ -73,4 +91,26 @@ defmodule CobblemonUi.CobblemonFS.Pokemon do
       _ -> false
     end
   end
+
+  defp strip_namespace(nil), do: nil
+
+  defp strip_namespace(val) when is_binary(val) do
+    case String.split(val, ":", parts: 2) do
+      [_ns, name] -> name
+      _ -> val
+    end
+  end
+
+  defp downcase(nil), do: nil
+  defp downcase(val) when is_binary(val), do: String.downcase(val)
+
+  defp extract_ability(nil), do: nil
+  defp extract_ability(%{"AbilityName" => name}) when is_binary(name), do: name
+  defp extract_ability(val) when is_binary(val), do: val
+  defp extract_ability(_), do: nil
+
+  defp nested_get(map, []), do: map
+  defp nested_get(nil, _keys), do: nil
+  defp nested_get(map, [key | rest]) when is_map(map), do: nested_get(Map.get(map, key), rest)
+  defp nested_get(_map, _keys), do: nil
 end

lib/cobblemon_ui_web/live/dashboard_live.ex

@@ -6,7 +6,6 @@ defmodule CobblemonUiWeb.DashboardLive do
     players =
       case CobblemonUi.CobblemonFS.list_players() do
         {:ok, list} -> list
-        _ -> []
       end
 
     {:ok,
@@ -86,7 +85,6 @@ defmodule CobblemonUiWeb.DashboardLive do
     players =
       case CobblemonUi.CobblemonFS.list_players() do
         {:ok, list} -> list
-        _ -> []
       end
 
     socket =