feat(P.3.5): Tab-toggle free-cam demo + camera dep bump 0.1.0 -> 0.2.0

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

init.lua

@@ -23,6 +23,21 @@ input.bind("move_right", { "d", "right" })
 input.bind("move_up",    { "w", "up" })
 input.bind("move_down",  { "s", "down" })
 input.bind("interact",   { "e" })
+-- P.3.5: Free-Cam demo (Tab toggle)
+input.bind("toggle_free_cam", { "tab" })
+input.bind("pan_drag",        { "mouse_middle" })
+-- pan_*-Actions teilen sich die Keys mit move_*-Actions (additive bindings).
+input.bind("pan_left",        { "a", "left" })
+input.bind("pan_right",       { "d", "right" })
+input.bind("pan_up",          { "w", "up" })
+input.bind("pan_down",        { "s", "down" })
+
+camera.bind_pan_keys("pan_left", "pan_right", "pan_up", "pan_down")
+camera.bind_pan_drag("pan_drag")
+camera.enable_pan_edge()
+-- Start in follow-mode: pan_keys aus (drag/edge bleiben enabled, sind aber
+-- unsichtbar in follow-mode wegen set_target-override jeden Frame).
+camera.set_pan_enabled("keys", false)
 
 -- Configure player: defaults are 24x24 + 200 px/sec; place at map-center
 local p_size = player.size()
@@ -36,6 +51,9 @@ local PLAYER_R, PLAYER_G, PLAYER_B = 200, 60, 80
 local sign = { x = 144, y = 144, text = "Hier steht: Willkommen im Spine." }
 local SIGN_R, SIGN_G, SIGN_B = 220, 200, 60
 
+-- P.3.5: Free-Cam-Mode state
+local free_cam_mode = false
+
 local frames = 0
 local TARGET_FRAMES = 60
 
@@ -81,24 +99,36 @@ end
 
 function update(ctx, dt)
     if input.was_action_pressed("quit") then
-        -- ADR-0028: ESC returns to launcher rather than exiting the app.
-        -- If launcher is not discoverable, P.3.2 lifecycle handles via fatal.
+        -- ADR-0028: ESC returns to launcher per P.3.4.
         engine.switch_module("lib-sporel.launcher")
         return
     end
 
-    player.update(dt)
+    -- P.3.5: Tab toggles between follow-cam and free-cam.
+    if input.was_action_pressed("toggle_free_cam") then
+        free_cam_mode = not free_cam_mode
+        camera.set_pan_enabled("keys", free_cam_mode)
+    end
 
-    -- Camera follows player center
-    local p = player.position()
-    local s = player.size()
-    camera.set_target(p.x + s.w / 2, p.y + s.h / 2)
+    -- Player + interaction nur in follow-mode (in free-cam ist player pausiert).
+    if not free_cam_mode then
+        player.update(dt)
+        local p = player.position()
+        local s = player.size()
+        interaction.update(p.x + s.w / 2, p.y + s.h / 2)
+    end
 
-    -- Interaction proximity-check + dispatch
-    interaction.update(p.x + s.w / 2, p.y + s.h / 2)
+    -- Pan-Summation jeden Frame (keys nur wenn enabled; drag + edge always-on).
+    camera.update(dt)
 
-    -- CI-conditional self-exit: enables headless smoke runs.
-    -- Interactive runs (no SPOREL_CI=1) loop until ESC.
+    if not free_cam_mode then
+        -- Follow-cam: set_target jeden Frame -> drag/edge "drift" wird unsichtbar.
+        local p = player.position()
+        local s = player.size()
+        camera.set_target(p.x + s.w / 2, p.y + s.h / 2)
+    end
+
+    -- CI-conditional self-exit (unverändert aus P.0):
     frames = frames + 1
     if os.getenv("SPOREL_CI") == "1" and frames >= TARGET_FRAMES then
         engine.exit(0)