Reset global editor keybindings to defaults in beforeEach for
session-selector-rename and tree-selector tests. Pass
KeybindingsManager.inMemory() to SessionSelectorComponent in tests
to avoid reading user keybindings.json.
Closes#2360
`registerApiProvider()` gets wiped by `resetApiProviders()` during
session reload, replacing the Bun-bundled Bedrock provider with the
opaque lazy loader that cannot resolve inside the binary.
`setBedrockProviderModule()` sets an override that survives resets.
Add AWS_BEDROCK_FORCE_CACHE=1 environment variable support. When the
model ID doesn't contain a recognizable Claude model name, users can
set this variable to force cache point injection.
When running inside a sandbox (e.g., bubblewrap) that blocks access
to the tmux socket, the tmux query hangs and times out, returning
undefined. Previously this was treated as "extended-keys is off",
showing a false warning. Now we skip the warning when the tmux server
can't be reached.