restore lost packages from 0.2.3 + fix overwritten 0.2.4 files

- Restore 29 recipe symlinks (libdrm, qtbase, dbus, sddm, pipewire, etc.)
- Restore 33 patches (KDE, libdrm, mesa, pipewire, sddm, wireplumber)
- Restore 20+ local/scripts (audit, lint, test, build helpers)
- Restore src/cook/scheduler.rs, status.rs, gnu-config/
- Restore scripts/patch-inclusion-gate.sh, run_mini1.sh, validate-collision-log.sh
- Recover TLC source from HEAD (was overwritten by 0.2.3 checkout)
- Recover 11 local/docs plans from HEAD (were overwritten)
- Recover qt6-wayland-smoke symlink from HEAD
- Fix MOTD: remove garbled ASCII art, use clean text
- Update version: 0.2.0 -> 0.2.4 in os-release, motd, config
- Reduce filesystem_size: 1536 -> 512 MiB
- Add ABSOLUTE RULE to AGENTS.md: never delete/ignore packages
- Reduce pcid scheme log verbosity: info -> debug

local/recipes/gpu/amdgpu-source/include/linux/eventpoll.h

@@ -0,0 +1,100 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ *  include/linux/eventpoll.h ( Efficient event polling implementation )
+ *  Copyright (C) 2001,...,2006	 Davide Libenzi
+ *
+ *  Davide Libenzi <davidel@xmailserver.org>
+ */
+#ifndef _LINUX_EVENTPOLL_H
+#define _LINUX_EVENTPOLL_H
+
+#include <uapi/linux/eventpoll.h>
+#include <uapi/linux/kcmp.h>
+
+
+/* Forward declarations to avoid compiler errors */
+struct file;
+
+
+#ifdef CONFIG_EPOLL
+
+#ifdef CONFIG_KCMP
+struct file *get_epoll_tfile_raw_ptr(struct file *file, int tfd, unsigned long toff);
+#endif
+
+/* Used to release the epoll bits inside the "struct file" */
+void eventpoll_release_file(struct file *file);
+
+/* Copy ready events to userspace */
+int epoll_sendevents(struct file *file, struct epoll_event __user *events,
+		     int maxevents);
+
+/*
+ * This is called from inside fs/file_table.c:__fput() to unlink files
+ * from the eventpoll interface. We need to have this facility to cleanup
+ * correctly files that are closed without being removed from the eventpoll
+ * interface.
+ */
+static inline void eventpoll_release(struct file *file)
+{
+
+	/*
+	 * Fast check to skip the slow path in the common case where the
+	 * file was never attached to an epoll. Safe without file->f_lock
+	 * because every f_ep writer excludes a concurrent __fput() on
+	 * @file:
+	 *   - ep_insert() requires the file alive (refcount > 0);
+	 *   - ep_remove() holds @file pinned via epi_fget() across the
+	 *     write;
+	 *   - eventpoll_release_file() runs from __fput() itself.
+	 * We are in __fput() here, so none of those can race us: a NULL
+	 * observation truly means no epoll path has work left on @file.
+	 */
+	if (likely(!READ_ONCE(file->f_ep)))
+		return;
+
+	/*
+	 * The file is being closed while it is still linked to an epoll
+	 * descriptor. We need to handle this by correctly unlinking it
+	 * from its containers.
+	 */
+	eventpoll_release_file(file);
+}
+
+int do_epoll_ctl(int epfd, int op, int fd, struct epoll_event *epds,
+		 bool nonblock);
+
+/* Tells if the epoll_ctl(2) operation needs an event copy from userspace */
+static inline int ep_op_has_event(int op)
+{
+	return op != EPOLL_CTL_DEL;
+}
+
+#else
+
+static inline void eventpoll_release(struct file *file) {}
+
+#endif
+
+#if defined(CONFIG_ARM) && defined(CONFIG_OABI_COMPAT)
+/* ARM OABI has an incompatible struct layout and needs a special handler */
+extern struct epoll_event __user *
+epoll_put_uevent(__poll_t revents, __u64 data,
+		 struct epoll_event __user *uevent);
+#else
+static inline struct epoll_event __user *
+epoll_put_uevent(__poll_t revents, __u64 data,
+		 struct epoll_event __user *uevent)
+{
+	scoped_user_write_access_size(uevent, sizeof(*uevent), efault) {
+		unsafe_put_user(revents, &uevent->events, efault);
+		unsafe_put_user(data, &uevent->data, efault);
+	}
+	return uevent+1;
+
+efault:
+	return NULL;
+}
+#endif
+
+#endif /* #ifndef _LINUX_EVENTPOLL_H */