docs: KDE shortcut completion fix.

.config/dot/.claude/tasks/0009-kde-shortcut-completion.md

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+---
+blocked-by: 0005-kde-shortcuts-mechanism
+---
+
+## What to build
+
+`dot kde save`'s tab-completion (`cmd_complete` in `commands/kde/kde.py`)
+currently only enumerates schema-backed identifiers via
+`iter_schema_identifiers` — it was built as a side effect of the `diff`
+task (0003) and never revisited when the shortcuts mechanism (0005)
+landed. Extend `cmd_complete` to also enumerate shortcut identifiers.
+
+Source the shortcut identifiers live via `kglobalaccel`, mirroring how
+schema identifiers are freshly parsed from `.kcfg` files on every call:
+call `allMainComponents()` to get every registered component's
+`componentUnique`, then `allActionsForComponent()` per component
+(already used by `_resolve_shortcut_action_id`) to get every
+`actionUnique`, yielding `kglobalshortcutsrc.<componentUnique>.<actionUnique>`
+candidates. No caching — walk fresh on every invocation.
+
+Print shortcut identifiers as their own block, after the existing
+schema-backed block — not merged into one interleaved sorted list.
+Keep them plain, with no friendly-name description text, matching the
+existing schema-identifier output style.
+
+If the D-Bus walk fails for any reason — a non-zero `busctl` exit
+(`RuntimeError`, already raised by `_kglobalaccel_call`) or `busctl`
+itself being missing (`OSError` from `subprocess.run`) — swallow it
+silently: omit the shortcuts block, still print the schema block, and
+emit no stderr diagnostic.
+
+Freeform identifiers (e.g. `kxkbrc.Layout.Options`) are explicitly out
+of scope for this task: there is no schema to enumerate them from, so
+this stays a permanent, accepted completion gap, not something to fix
+here.
+
+## Acceptance criteria
+
+- [ ] `python3 kde.py complete` includes every currently-registered `kglobalshortcutsrc.<componentUnique>.<actionUnique>` identifier, sourced live via `allMainComponents`/`allActionsForComponent`
+- [ ] Schema-backed identifiers print first, followed by shortcut identifiers, as two distinct blocks — not interleaved into one merged sorted list
+- [ ] Shortcut identifiers print plain, with no friendly-name description text
+- [ ] If the D-Bus walk raises `RuntimeError` or `OSError`, the shortcuts block is omitted, the schema block still prints normally, and nothing is written to stderr
+- [ ] Freeform identifiers remain unlisted by `cmd_complete` (unchanged, confirmed not a regression)
+- [ ] Verified manually against a live session — no new automated tests, consistent with the existing shortcuts-mechanism test carve-out (spec's testing decisions, 0005's Implementation Notes)