config

type Branch struct {
	Name         string `json:"name"`
	Parent       string `json:"parent"`
	WorktreePath string `json:"worktree_path"`
	PRNumber     int    `json:"-"` // Runtime-only: derived from PRUrl via PRNumberFromURL
	PRUrl        string `json:"pr_url,omitempty"`
	PRState      string `json:"pr_state,omitempty"`  // Cached: "OPEN", "DRAFT", "MERGED", "CLOSED"
	BaseBranch   string `json:"base_branch"`         // original tree parent, used for display ordering
	IsRemote     bool   `json:"is_remote,omitempty"` // branch belongs to another contributor
	IsMerged     bool   `json:"is_merged,omitempty"`
	Remote       string `json:"remote,omitempty"` // Git remote to push to (empty means "origin")
}

type BranchCache struct {
	WorktreePath string `json:"worktree_path,omitempty"`
	PRNumber     int    `json:"-"` // Runtime-only: derived from PRUrl via PRNumberFromURL
	PRUrl        string `json:"pr_url,omitempty"`
	PRState      string `json:"pr_state,omitempty"` // Cached: "OPEN", "DRAFT", "MERGED", "CLOSED"
	IsMerged     bool   `json:"is_merged,omitempty"`
	IsRemote     bool   `json:"is_remote,omitempty"`
	Remote       string `json:"remote,omitempty"` // git remote to push to (e.g. fork remote); defaults to "origin"
	// PreSyncCommit is the SHA the branch pointed at before the current sync run
	// began rewriting it. Used as the `oldBase` for `git rebase --onto newParent
	// oldBase` so children of a freshly-rebased parent don't replay the parent's
	// commits and re-encounter conflicts that were already resolved upstream.
	// Persisted across process boundaries so `ezs sync --continue` (a separate
	// invocation) can use it. Cleared when the branch's sync completes cleanly;
	// left set while a rebase/merge is in progress.
	PreSyncCommit string `json:"pre_sync_commit,omitempty"`
	// PreSyncCommitAt is the Unix epoch second at which PreSyncCommit was last
	// recorded. Used by stale-snapshot cleanup to age out snapshots from prior
	// runs that no longer have a worktree to introspect — without this, a
	// crashed checkout-based sync would leave its snapshot in cache forever.
	PreSyncCommitAt int64 `json:"pre_sync_commit_at,omitempty"`
	// AgentSessionID is the UUID of the AI agent session bound to this branch
	// in branch-scoped (`ezs agent --branch`) mode. Used to resume the same
	// session on subsequent `ezs agent` runs against this branch.
	AgentSessionID string `json:"agent_session_id,omitempty"`
	// AgentSessionMode tags how the session was created. Branch-scoped sessions
	// are always work-mode (feature mode requires a stack), so this is set to
	// "work" on write and consumed by `ezs agent ls --feature` to filter rows.
	// Empty on legacy entries written before mode tracking; treated as "work".
	AgentSessionMode string `json:"agent_session_mode,omitempty"`
}

type BranchTree map[string]BranchTree

type CacheConfig struct {
	Branches map[string]*BranchCache `json:"branches"`
	// contains filtered or unexported fields
}

type Config struct {
	DefaultBaseBranch string                 `json:"default_base_branch"`
	GitHubToken       string                 `json:"github_token,omitempty"`
	Repos             map[string]*RepoConfig `json:"repos"`
}

type RepoConfig struct {
	RepoPath            string `json:"repo_path"`
	WorktreeBaseDir     string `json:"worktree_base_dir"`
	DefaultBaseBranch   string `json:"default_base_branch,omitempty"`
	CdAfterNew          *bool  `json:"cd_after_new,omitempty"`
	UseWorktrees        *bool  `json:"use_worktrees,omitempty"`
	AutoDraftWipCommits *bool  `json:"auto_draft_wip_commits,omitempty"`
	InitSubmodules      *bool  `json:"init_submodules,omitempty"` // Mirror main worktree's initialized submodules into new worktrees (default: true)
	SyncStrategy        string `json:"sync_strategy,omitempty"`   // "rebase" (default) or "merge"
	AgentCommand        string `json:"agent_command,omitempty"`   // AI agent CLI command (default: "claude")
}

type Stack struct {
	Hash             string     `json:"-"`                            // Populated from map key at load time
	Name             string     `json:"name,omitempty"`               // Optional user-given name for the stack
	Root             string     `json:"root"`                         // The base branch (e.g. "main", or a remote branch name)
	RootBase         string     `json:"root_base,omitempty"`          // The branch the root's PR targets (for computing root diff)
	RootPRNumber     int        `json:"-"`                            // Runtime-only: derived from RootPRUrl
	RootPRUrl        string     `json:"root_pr_url,omitempty"`        // PR URL of the root branch (for remote base branches)
	RootIsRemote     bool       `json:"root_is_remote,omitempty"`     // Root is a remote-tracked branch (set by RegisterRemoteBranch); drives the (remote) tag in PrintStack
	DeleteDeclined   bool       `json:"delete_declined,omitempty"`    // User declined cleanup prompt; don't re-ask
	AgentSessionID   string     `json:"agent_session_id,omitempty"`   // UUID of the AI agent session bound to this stack (used by `ezs agent` to resume)
	AgentSessionMode string     `json:"agent_session_mode,omitempty"` // Mode the session was created in: "work" or "feature". Empty ⇒ legacy entry, treated as "work".
	Tree             BranchTree `json:"tree"`                         // The tree of branches
	Branches         []*Branch  `json:"-"`                            // Runtime-only: populated from Tree for backward compatibility
	// contains filtered or unexported fields
}

type StackConfig struct {
	Stacks map[string]*Stack `json:"stacks"`
	Cache  *CacheConfig      `json:"-"` // loaded alongside stacks, not serialized separately
	// contains filtered or unexported fields
}

type SyncLock struct {
	// contains filtered or unexported fields
}