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feat: handle draft PR lifecycle state

This commit is contained in:
harshitsinghbhandari 2026-05-27 18:34:42 +05:30
parent cdfd97cb98
commit 77c01daf42
8 changed files with 120 additions and 16 deletions
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13
backend/internal/domain/decide/decide.go
View File

@ -89,8 +89,9 @@ func ResolveProbeDecision(in ProbeInput) LifecycleDecision {
}
// ResolveOpenPRDecision walks the PR pipeline ladder. CI failure dominates
// everything, then requested changes, then the approval/merge states, then a
// pending review, then a stalled (idle-beyond-threshold) PR, else plain open.
// everything. Draft PRs then surface as draft and do not enter the review or
// merge states. Open PRs continue through requested changes, approval/merge
// states, pending review, stalled (idle-beyond-threshold), then plain open.
func ResolveOpenPRDecision(in OpenPRInput) LifecycleDecision {
// evidence is a stable, timestamp-free summary "<condition> #<num> <url>"
// for logs/traceability; it folds in the PR identity inputs (Number/URL).
@ -104,13 +105,17 @@ func ResolveOpenPRDecision(in OpenPRInput) LifecycleDecision {
}
return s
}
prState := domain.PROpen
if in.Draft {
prState = domain.PRDraft
}
base := func(status domain.SessionStatus, cond string, prReason domain.PRReason, ss domain.SessionState, sr domain.SessionReason) LifecycleDecision {
return LifecycleDecision{
Status: status,
Evidence: evidence(cond),
SessionState: ss,
SessionReason: sr,
PRState: domain.PROpen,
PRState: prState,
PRReason: prReason,
}
}
@ -118,6 +123,8 @@ func ResolveOpenPRDecision(in OpenPRInput) LifecycleDecision {
switch {
case in.CIFailing:
return base(domain.StatusCIFailed, "ci_failing", domain.PRReasonCIFailing, domain.SessionWorking, domain.ReasonFixingCI)
case in.Draft:
return base(domain.StatusDraft, "draft", domain.PRReasonInProgress, domain.SessionWorking, domain.ReasonPRCreated)
case in.ChangesRequested:
return base(domain.StatusChangesRequested, "changes_requested", domain.PRReasonChangesRequested, domain.SessionWorking, domain.ReasonResolvingReviewComments)
case in.Mergeable:

44
backend/internal/domain/decide/decide_test.go
View File

@ -155,11 +155,12 @@ func TestResolveProbeDecision(t *testing.T) {
func TestResolveOpenPRDecision(t *testing.T) {
tests := []struct {
name string
in OpenPRInput
wantStatus domain.SessionStatus
wantPR domain.PRReason
wantState domain.SessionState
name string
in OpenPRInput
wantStatus domain.SessionStatus
wantPR domain.PRReason
wantPRState domain.PRState
wantState domain.SessionState
}{
{
name: "ci failing dominates everything",
@ -168,6 +169,22 @@ func TestResolveOpenPRDecision(t *testing.T) {
wantPR: domain.PRReasonCIFailing,
wantState: domain.SessionWorking,
},
{
name: "draft with failing CI maps to ci_failed",
in: OpenPRInput{Draft: true, CIFailing: true, ChangesRequested: true, Approved: true, Mergeable: true},
wantStatus: domain.StatusCIFailed,
wantPR: domain.PRReasonCIFailing,
wantPRState: domain.PRDraft,
wantState: domain.SessionWorking,
},
{
name: "draft ignores review and merge states",
in: OpenPRInput{Draft: true, ChangesRequested: true, Approved: true, Mergeable: true, ReviewPending: true, IdleBeyond: true},
wantStatus: domain.StatusDraft,
wantPR: domain.PRReasonInProgress,
wantPRState: domain.PRDraft,
wantState: domain.SessionWorking,
},
{
name: "changes requested before approval states",
in: OpenPRInput{ChangesRequested: true, Approved: true, Mergeable: true},
@ -235,8 +252,12 @@ func TestResolveOpenPRDecision(t *testing.T) {
if got.PRReason != tt.wantPR {
t.Errorf("PRReason = %q, want %q", got.PRReason, tt.wantPR)
}
if got.PRState != domain.PROpen {
t.Errorf("PRState = %q, want %q", got.PRState, domain.PROpen)
wantPRState := tt.wantPRState
if wantPRState == "" {
wantPRState = domain.PROpen
}
if got.PRState != wantPRState {
t.Errorf("PRState = %q, want %q", got.PRState, wantPRState)
}
if got.SessionState != tt.wantState {
t.Errorf("SessionState = %q, want %q", got.SessionState, tt.wantState)
@ -287,6 +308,8 @@ func TestDecidersDeriveConsistently(t *testing.T) {
var decisions []LifecycleDecision
for _, in := range []OpenPRInput{
{Draft: true, CIFailing: true},
{Draft: true, ChangesRequested: true, Approved: true, Mergeable: true, ReviewPending: true, IdleBeyond: true},
{CIFailing: true},
{ChangesRequested: true},
{Approved: true, Mergeable: true},
@ -363,6 +386,13 @@ func TestResolveTerminalPRStateDecision(t *testing.T) {
wantState: domain.SessionWorking,
wantReason: domain.ReasonTaskInProgress,
},
{
name: "non-terminal draft is a working no-op",
pr: domain.PRDraft,
wantStatus: domain.StatusWorking,
wantState: domain.SessionWorking,
wantReason: domain.ReasonTaskInProgress,
},
}
for _, tt := range tests {

3
backend/internal/domain/decide/types.go
View File

@ -52,8 +52,9 @@ const (
ProcessIndeterminate ProcessLiveness = "indeterminate"
)
// OpenPRInput drives the PR pipeline ladder for an open PR.
// OpenPRInput drives the PR pipeline ladder for an open or draft PR.
type OpenPRInput struct {
Draft bool
CIFailing bool
ChangesRequested bool
Approved bool

1
backend/internal/domain/lifecycle.go
View File

@ -90,6 +90,7 @@ type PRState string
const (
PRNone PRState = "none"
PRDraft PRState = "draft"
PROpen PRState = "open"
PRMerged PRState = "merged"
PRClosed PRState = "closed"

17
backend/internal/domain/status.go
View File

@ -9,6 +9,7 @@ const (
StatusWorking SessionStatus = "working"
StatusDetecting SessionStatus = "detecting"
StatusPROpen SessionStatus = "pr_open"
StatusDraft SessionStatus = "draft"
StatusCIFailed SessionStatus = "ci_failed"
StatusReviewPending SessionStatus = "review_pending"
StatusChangesRequested SessionStatus = "changes_requested"
@ -32,8 +33,9 @@ const (
// 1. Terminal / hard session states (done, terminated, needs_input, stuck,
// detecting, not_started) map directly — these OUTRANK PR facts.
// 2. Otherwise a merged PR wins.
// 3. Otherwise an open PR maps by its reason.
// 4. Otherwise fall through to the SOFT session state (idle/working).
// 3. Otherwise a draft PR maps to draft, except CI failure still dominates.
// 4. Otherwise an open PR maps by its reason.
// 5. Otherwise fall through to the SOFT session state (idle/working).
//
// So "PR facts dominate session facts" applies only to the soft states: an idle
// or working session with an open, CI-failing PR displays as ci_failed — but a
@ -59,6 +61,10 @@ func DeriveLegacyStatus(l CanonicalSessionLifecycle) SessionStatus {
return StatusMerged
}
if l.PR.State == PRDraft {
return draftPRStatus(l.PR.Reason)
}
if l.PR.State == PROpen {
return openPRStatus(l.PR.Reason)
}
@ -82,6 +88,13 @@ func terminatedStatus(r SessionReason) SessionStatus {
}
}
func draftPRStatus(r PRReason) SessionStatus {
if r == PRReasonCIFailing {
return StatusCIFailed
}
return StatusDraft
}
func openPRStatus(r PRReason) SessionStatus {
switch r {
case PRReasonCIFailing:

16
backend/internal/domain/status_test.go
View File

@ -49,6 +49,22 @@ func TestDeriveLegacyStatus(t *testing.T) {
},
want: StatusCIFailed,
},
{
name: "draft PR with failing CI maps to ci_failed",
in: CanonicalSessionLifecycle{
Session: SessionSubstate{State: SessionWorking},
PR: PRSubstate{State: PRDraft, Reason: PRReasonCIFailing},
},
want: StatusCIFailed,
},
{
name: "draft PR ignores review and merge reasons",
in: CanonicalSessionLifecycle{
Session: SessionSubstate{State: SessionWorking},
PR: PRSubstate{State: PRDraft, Reason: PRReasonMergeReady},
},
want: StatusDraft,
},
{
name: "open PR approved",
in: CanonicalSessionLifecycle{

14
backend/internal/lifecycle/manager.go
View File

@ -196,9 +196,9 @@ func (m *Manager) ApplyRuntimeObservation(ctx context.Context, id domain.Session
}
// ApplySCMObservation maps PR facts onto the PR axis. A failed fetch is dropped
// (failed probe != "no PR"). An open PR writes only the PR sub-state — the
// session axis stays owned by activity, and DeriveLegacyStatus surfaces the PR
// reason for display. A terminal PR (merged/closed) also parks the session.
// (failed probe != "no PR"). An open or draft PR writes only the PR sub-state —
// the session axis stays owned by activity, and DeriveLegacyStatus surfaces the
// PR reason for display. A terminal PR (merged/closed) also parks the session.
func (m *Manager) ApplySCMObservation(ctx context.Context, id domain.SessionID, f ports.SCMFacts) error {
tr, err := m.mutate(ctx, id, func(cur domain.CanonicalSessionLifecycle, exists bool) (ports.LifecyclePatch, bool, error) {
if !exists || !f.Fetched {
@ -206,6 +206,14 @@ func (m *Manager) ApplySCMObservation(ctx context.Context, id domain.SessionID,
}
switch f.PRState {
case domain.PRDraft:
in := openPRInput(f)
in.Draft = true
d := decide.ResolveOpenPRDecision(in)
var patch ports.LifecyclePatch
changed := setPRIfChanged(&patch, cur, d, f)
return patch, changed, nil
case domain.PROpen:
d := decide.ResolveOpenPRDecision(openPRInput(f))
var patch ports.LifecyclePatch

28
backend/internal/lifecycle/manager_test.go
View File

@ -263,6 +263,34 @@ func TestApplySCMObservation(t *testing.T) {
}
})
t.Run("draft PR writes draft or ci_failed without review states", func(t *testing.T) {
cases := []struct {
name string
facts ports.SCMFacts
wantReason domain.PRReason
wantStatus domain.SessionStatus
}{
{"draft with failing CI", ports.SCMFacts{Fetched: true, PRState: domain.PRDraft, CISummary: ports.CIFailing}, domain.PRReasonCIFailing, domain.StatusCIFailed},
{"draft ignores review and merge facts", ports.SCMFacts{Fetched: true, PRState: domain.PRDraft, ReviewDecision: ports.ReviewApproved, Mergeability: ports.Mergeability{Mergeable: true}}, domain.PRReasonInProgress, domain.StatusDraft},
}
for _, c := range cases {
t.Run(c.name, func(t *testing.T) {
mgr, store := newManager()
store.seed(sid, lc(domain.SessionWorking, domain.ReasonTaskInProgress, domain.RuntimeAlive))
if err := mgr.ApplySCMObservation(context.Background(), sid, c.facts); err != nil {
t.Fatalf("apply: %v", err)
}
l := mustLoad(t, store)
if l.PR.State != domain.PRDraft || l.PR.Reason != c.wantReason {
t.Errorf("pr = %v/%v, want draft/%v", l.PR.State, l.PR.Reason, c.wantReason)
}
if got := domain.DeriveLegacyStatus(l); got != c.wantStatus {
t.Errorf("display = %v, want %v", got, c.wantStatus)
}
})
}
})
t.Run("merged PR parks the session and displays merged", func(t *testing.T) {
mgr, store := newManager()
seed := lc(domain.SessionWorking, domain.ReasonTaskInProgress, domain.RuntimeAlive)