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feat(refinery,boot): add --agent flag for model selection (#469)

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* feat(refinery,boot): add --agent flag for model selection (hq-7d5m)

Add --agent flag to gt refinery start/attach/restart and gt boot spawn
commands for consistent model selection across all agent launch points.

Implementation follows the existing pattern from gt deacon start:
- Add StringVar flag for agent alias
- Pass override to Manager/Boot via SetAgentOverride()
- Use BuildAgentStartupCommandWithAgentOverride when override is set

Files affected:
- cmd/gt/refinery.go: add flags to start/attach/restart commands
- internal/refinery/manager.go: add SetAgentOverride and use in Start()
- cmd/gt/boot.go: add flag to spawn command
- internal/boot/boot.go: add SetAgentOverride and use in spawnTmux()

Closes #438

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

* refactor(refinery,boot): use parameter-passing pattern for --agent flag

Address PR review feedback:

1. ADD TESTS: Add tests for --agent flag existence following witness_test.go pattern
   - internal/cmd/refinery_test.go: tests for start/attach/restart
   - internal/cmd/boot_test.go: test for spawn

2. ALIGN PATTERN: Change from setter pattern to parameter-passing pattern
   - Manager.Start(foreground, agentOverride) instead of SetAgentOverride + Start
   - Boot.Spawn(agentOverride) instead of SetAgentOverride + Spawn
   - Matches witness.go style: Start(foreground bool, agentOverride string, ...)

Updated all callers to pass empty string for default agent:
- internal/daemon/daemon.go
- internal/cmd/rig.go
- internal/cmd/start.go
- internal/cmd/up.go

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

---------

Co-authored-by: furiosa <will@saults.io>
Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com>
This commit is contained in:
Will Saults
2026-01-13 15:14:47 -06:00
committed by GitHub
parent 45de02db43
commit bda248fb9a
10 changed files with 122 additions and 28 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
internal/refinery/manager.go
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@@ -103,7 +103,8 @@ func (m *Manager) Status() (*Refinery, error) {
// Start starts the refinery.
// If foreground is true, runs in the current process (blocking) using the Go-based polling loop.
// Otherwise, spawns a Claude agent in a tmux session to process the merge queue.
func (m *Manager) Start(foreground bool) error {
// The agentOverride parameter allows specifying an agent alias to use instead of the town default.
func (m *Manager) Start(foreground bool, agentOverride string) error {
ref, err := m.loadState()
if err != nil {
return err
@@ -174,7 +175,16 @@ func (m *Manager) Start(foreground bool) error {
// Build startup command first
bdActor := fmt.Sprintf("%s/refinery", m.rig.Name)
command := config.BuildAgentStartupCommand("refinery", bdActor, m.rig.Path, "")
var command string
if agentOverride != "" {
var err error
command, err = config.BuildAgentStartupCommandWithAgentOverride("refinery", bdActor, m.rig.Path, "", agentOverride)
if err != nil {
return fmt.Errorf("building startup command with agent override: %w", err)
}
} else {
command = config.BuildAgentStartupCommand("refinery", bdActor, m.rig.Path, "")
}
// Create session with command directly to avoid send-keys race condition.
// See: https://github.com/anthropics/gastown/issues/280