fix: KF6 config, kwin stub, docs, greeter, I2C/GPIO drivers, bootstrap
- KF6 config: enable 31 KF6 frameworks + kdecoration + kglobalacceld (was only kwin stub; 22 additional recipes now enabled) - KWin: honest #TODO naming real blockers (Qt6::Sensors WIP, libinput ignored, no canberra); kwin_wayland shim delegates to redbear-compositor - Greeter: enable redbear-greeterd replacing /usr/bin/true stub - Mini config: suppress curl/git/mc (broken deps, not boot-critical) - Docs: fix KF6 count (9->31 enabled), kwin status (stub, not real build), plasma blocked, config surface accuracy across CONSOLE-TO-KDE-DESKTOP-PLAN, DESKTOP-STACK-CURRENT-STATUS, local/AGENTS - P2-i2c-gpio-ucsi-drivers.patch: 10 I2C/GPIO/UCSI daemon sources (gpiod, i2cd, dw-acpi-i2cd, intel-lpss-i2cd, i2c-gpio-expanderd, intel-gpiod, i2c-hidd, ucsid, i2c-interface, acpi-resource); amd-mp2-i2cd + intel-thc-hidd excluded (PCI API changed) - P0-bootstrap-workspace-fix.patch: empty [workspace] in bootstrap Cargo.toml prevents auto-detection of parent workspace (fixes base-initfs from-scratch build) - QEMU boot verified: kernel -> PCI -> NVMe -> ACPI -> display -> networking -> services -> RB_SERIAL_PROBE_OK
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@@ -391,8 +391,6 @@ When mainline updates affect our work:
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including the bounded role of `linux-kpi` and the native wireless control-plane direction.
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- `local/docs/USB-IMPLEMENTATION-PLAN.md` and `local/docs/BLUETOOTH-IMPLEMENTATION-PLAN.md` should
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also be treated as first-class subsystem plans, not as side notes.
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- `local/docs/WIFI-VALIDATION-RUNBOOK.md` is the canonical operator runbook for bare-metal and
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VFIO-backed Intel Wi-Fi validation, packaged checkers, and capture artifacts.
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- `local/docs/IRQ-AND-LOWLEVEL-CONTROLLERS-ENHANCEMENT-PLAN.md` is the current umbrella plan for
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IRQ delivery, MSI/MSI-X quality, IOMMU validation, and other low-level controller completeness work.
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- `local/docs/QUIRKS-SYSTEM.md` documents the hardware quirks infrastructure: compiled-in tables,
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@@ -572,6 +570,78 @@ local/Assets/
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- **DO NOT** edit config/base.toml directly — our configs include it and override via TOML merge
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- **DO NOT** forget to run sync-upstream.sh before major builds — stale upstream causes build failures
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## COMPREHENSIVE IMPLEMENTATION POLICY
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Red Bear OS has **zero tolerance for shortcuts, workarounds, and stubs**. Every package in the
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build must be a comprehensive, real implementation. No approximations.
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### The Rule
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When a package fails to build due to missing functionality:
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1. **DO NOT** mark packages as `"ignore"` to skip them
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2. **DO NOT** create stub recipes that provide fake cmake configs without real functionality
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3. **DO NOT** disable required dependencies via sed/cmake hacks without implementing the dependency
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Instead, **implement the missing functionality properly**:
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| Missing Component | Required Action |
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|------------------|----------------|
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| Missing POSIX function in relibc | Implement it in `recipes/core/relibc/source/` + create patch in `local/patches/relibc/` |
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| Missing KF6 package | Create full recipe in `local/recipes/kde/` with proper cmake build |
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| Disabled Qt feature (e.g., QtNetwork) | Implement the feature properly in qtbase recipe |
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| Missing system call | Implement in kernel recipe + create patch in `local/patches/kernel/` |
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### Why This Matters
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- Stubs and workarounds accumulate technical debt
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- They block real functionality from ever being implemented
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- They make the system unreliable and untestable
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- They hide the real work that needs to be done
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### Current Comprehensive Implementation Gaps
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**ROOT CAUSE (Credential Syscalls)**: The Redox microkernel lacks process credentials syscalls. This is NOT a relibc issue - the kernel itself does not implement them.
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| Gap | Root Cause | Required Work |
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|-----|-----------|---------------|
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| `setgroups` ENOSYS on Redox | Redox kernel has NO `SYS_SETGROUPS` syscall number or handler. `redox_syscall` crate (upstream) doesn't define it. | **KERNEL WORK**: Add syscall number to `redox_syscall` + implement handler in kernel + wire in `redox_rt` |
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| `getgroups` returns only egid | Redox kernel has no group table concept | **KERNEL WORK**: Design and implement supplementary groups |
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| `setuid/setgid/getuid/getgid` | Same - no credential syscalls in kernel | **KERNEL WORK**: Same pattern |
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| **CONFIG: KWin is a stub** | KWin recipe downloads real v6.3.4 source but build script never compiles it — only creates wrapper scripts + fake cmake configs | **KWin RECIPE WORK**: Convert from custom stub to real cmake build, or document as permanent stub |
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| **CONFIG: 22 KF6 recipes not enabled** | 47 KF6/Plasma/KWin recipes exist in local/recipes/kde/ with real cmake builds, but only 9 KF6 + kwin (stub) are in the built image — the rest are commented out in config | **CONFIG WORK**: Enable buildable KF6 packages in redbear-full.toml |
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| **CONFIG: Plasma packages blocked** | plasma-framework, plasma-workspace, plasma-desktop have real cmake builds but are commented out as BLOCKED in redbear-full.toml | **CONFIG WORK**: Resolve blockers (kwin stub → real, kf6-knewstuff → QtNetwork) then enable |
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| **CONFIG: Greeter service disabled** | 20_greeter.service runs `/usr/bin/true` instead of `redbear-greeterd` ("disabled for Phase 2 compositor proof") | **CONFIG WORK**: Wire redbear-greeterd as the active greeter service |
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| **RUNTIME: Greeter UI crash** | Qt Wayland integration fails (`wl-shell` deprecated, `xdg-shell` not working) | Fix Qt platform plugin initialization for Wayland |
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| **RUNTIME: D-Bus user lookup** | `root` and `messagebus` users not found in passwd database → ✅ RESOLVED: user/group config exists in redbear-full.toml; runtime files generated in build | Verify in QEMU runtime |
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| **RUNTIME: seatd missing** | `seatd` binary not in image despite being in config → ✅ RESOLVED: seatd builds and is in image | Verify in QEMU runtime |
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| **RUNTIME: getrlimit(7)** | relibc `getrlimit` not implemented → ✅ RESOLVED: implemented in relibc patches | Verify in QEMU runtime |
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### Kernel Syscall Gap Analysis
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The Redox kernel (`recipes/core/kernel/source/src/syscall/mod.rs`) match statement ends with:
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```rust
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_ => Err(Error::new(ENOSYS)),
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```
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All credential syscalls (`SYS_SETGROUPS`, `SYS_GETGROUPS`, `SYS_SETUID`, `SYS_SETGID`, etc.) fall through to this catch-all and return `ENOSYS`.
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The syscall numbers come from `redox_syscall` crate (external, versioned) - not defined in the kernel tree.
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### Fixes Applied (2026-04-29)
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1. **relibc/grp/cbindgen.toml**: Added group functions to export list
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2. **relibc/grp/mod.rs**: Implemented `getgroups()` with egid fallback
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3. **Patches created**: `local/patches/relibc/P3-grp-cbindgen-exports.patch`, `P3-getgroups-implementation.patch`
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4. **KERNEL GAP**: Cannot fix without upstream `redox_syscall` + kernel changes
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### Implementation Locations
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- POSIX functions: `recipes/core/relibc/source/src/header/<func>/` + `local/patches/relibc/`
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- New KF6 recipes: `local/recipes/kde/kf6-<name>/`
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- Kernel syscalls: `recipes/core/kernel/source/` + `local/patches/kernel/`
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- Qt fixes: `recipes/qt/qtbase/source/` + `local/patches/qtbase/`
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## RED BEAR OS CONFIG HIERARCHY
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Active compile targets (all three work for both `make all` and `make live`):
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