[copilot-session-insights] Daily Copilot Agent Session Analysis — 2026-09-15

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🤖 Copilot Agent Session Analysis — 2026-09-15

Executive Summary

• Sessions Analyzed: 50 (all workflow runs across the last ~104-minute recording window, 04:07–05:51 UTC)
• Analysis Period: 2026-09-15, 04:07:09Z – 05:51:17Z
• Completion Rate: 52.0% (26/50) — 3rd-highest of the 24 recorded days, +4pts vs 09-14 (48%), continuing a 2-day recovery from 09-13's 16% trough
• Average Duration: 9.4 min (median 5.5 min)
• Experimental Strategy: none — standard run (roll=76, ≥30 threshold)

Key Metrics

Metric	Value	Trend
Total Sessions	50	→
Successful Completions	26 (52.0%)	↑ (+4pts vs 48% on 09-14)
Failed	2 (4.0%)	→
Action Required	21 (42.0%)	↓
Cancelled	1 (2.0%)	→
Average Duration	9.4 min	↓ (vs 12.0 min on 09-14)
Median Duration	5.5 min	↓ (vs 12.5 min on 09-14)
24-day Mean Completion	30.8% (range 4–78%)	today is above mean
Context Issues (conv-log based)	unavailable	— (see Notable Observations)

Success Factors ✅

1. True-agentic "Addressing comment on PR" runs: 5/5 succeeded (100%) — 9th consecutive day at 100% for this workflow type (PR Distribute multi-target logs queries fairly #61027 ×2, PR Remove legacy Effective Tokens metric #60997 ×2, PR Bump gh-aw-firewall (AWF) to v0.28.17 #60945 ×1).
2. Low branch fragmentation, single-branch dominance: only 3 branches fired all 50 sessions today (copilot/update-logs-command-multi-target 32/50 = 64%, copilot/remove-effective-tokens 17/50 = 34%, copilot/bump-gh-aw-firewall-to-v02817 1/50 = 2%) — a PR actively iterating tends to concentrate the day's gate volume on 1–2 branches.
3. No merge-invalidation cascade today: unlike 09-14 (2 independent cascades from PR Require update-release for agent-generated release notes #60701/Support wildcard cached logs files #60702 merges), no PR merges landed on either active branch during the recording window, so today's action_required/failure counts reflect genuine gate state rather than merge-orphaned artifacts.
4. Zero orphaned branches: 24th consecutive day with 0% orphan rate against a 0.0% 23-day baseline — every gate-saturated branch has had a Copilot agent or human assignee.

Failure Signals ⚠️

1. provenance_inversion remains bot-dominated: of 26 successes, only 5 (19.2%) are true-agentic "Addressing comment" runs; 21 (80.8%) are CI-gate/review-bot workflows succeeding (CWI ×4, CGO ×2, Agentic Commands ×2, plus 15 single-instance reviewer/gate bots). This sits back inside the historical 75–86% bot-driven band after 09-14 set a record 91.7% high.
2. 2 genuine failures: PR Code Quality Reviewer and CGO both failed on copilot/update-logs-command-multi-target at 04:31:57Z — worth a manual look since this is the day's dominant branch.
3. Branch-level conversion is middling, not strong: copilot/update-logs-command-multi-target converts 17/32 = 53.1% (excl. 1 cancelled, 2 failures); copilot/remove-effective-tokens converts 8/17 = 47.1% — both hover near the coin-flip line rather than the >60% "healthy" mark seen on cleaner days.
4. burst_clustering signal is inconclusive today: only 1 run was temporally isolated (>60s gap on both sides), so the isolated-vs-burst success-rate comparison (100% n=1 vs 51.0% n=49) carries essentially no statistical weight this cycle — sample too small to read as a real gap.

Prompt Quality Analysis 📝

Per-Prompt Breakdown

Conversation transcripts are unavailable this run (see Notable Observations), so prompt-level text cannot be inspected directly. As a metadata proxy, the 5 true-agentic "Addressing comment on PR #NNNNN" sessions are structurally uniform (auto-generated titles referencing a specific PR/comment) and convert at 100%, consistent with the pattern held over the last 9 days that narrowly-scoped, PR-anchored follow-up tasks outperform broader ones.

No low-quality prompt examples are extractable without transcript access this cycle.

Orphaned Branch Escalation Alerts 🚨

Branches with ≥5 simultaneous gate firings and no Copilot agent assigned for >2 hours.

Summary

• Orphaned Branches Today: 0 out of 7 open PRs (0.0%)
• Historical Baseline: 0.0% orphaned rate (23-day mean, all 23 recorded days at 0%)
• Status: NORMAL — 24th consecutive healthy day

Escalation Candidate Details

Escalation Candidates

✅ No orphaned branches exceed the escalation threshold today. Max concurrent gate count on any single branch among the 4 in-progress runs (last 6h) was 1; all 7 open PRs are either Copilot-assigned (#61027, #60997, #60945, #56568) or carry no active gate saturation (#61062, #61053, #61010).

CI Waste Estimate

• Orphaned gate-hours today: 0 (no candidates) — no recoverable CI capacity from this vector today.

Notable Observations

Loop Detection and Session Diagnostics

Loop Detection

• Sessions with loops: unavailable (no turn-by-turn transcript data — see conversation-log gap below)
• Duration-spread proxy (mean − median gap, a rough stand-in in the absence of loop counts): 3.9 min today, well below 09-08's 24-min spike, suggesting fewer long-tail outlier sessions than the recent peak.

Tool Usage

• Unavailable this run — 0 {run_id}-conversation.txt files were present in /tmp/gh-aw/agent/session-data/logs/ (verified via find). No tool-call, model, or token data could be extracted.

Context Issues

• Unavailable this run — same root cause as above.

Duration Proxy (from run timestamps, not transcripts)

• Mean 9.4 min / median 5.5 min / max 39.75 min; 29/50 sessions (58%) had non-zero duration (i.e., not instant 0-duration gate stubs); window 2026-09-15T04:07Z–05:51Z (~104 min).

Experimental Analysis

Standard analysis only this run — roll=76 (≥30 threshold), so no experimental strategy was applied. Prior experimental strategy (09-14): cascade_multiplicity_dual_merge, assessed High effectiveness and recommended for promotion to a standing per-run metric (cascade count/day). Today confirms 0 cascades occurred, consistent with the promoted metric now being tracked routinely rather than only on experimental days.

Actionable Recommendations

For Users Writing Task Descriptions

1. Keep "Addressing comment on PR" follow-ups narrowly scoped: this pattern is now 9-for-9 consecutive 100%-success days. Continue anchoring follow-up tasks to a specific PR/comment rather than open-ended re-scoping.
2. Watch copilot/update-logs-command-multi-target: it's carrying 64% of today's gate volume and converting at only 53.1%, with 2 genuine (non-cascade) failures. If this branch stays open into tomorrow, expect continued high gate volume — consider whether the PR should be split or stabilized before further iteration.

For System Improvements

1. Resolve the conversation-log fetch gap: transcripts have been empty for 24+ consecutive recorded days. This blocks all behavioral analysis (loop detection, tool-usage patterns, prompt-quality scoring, context-confusion detection) — the single largest unresolved risk to this analysis' depth.
   • Potential impact: High — restores the entire behavioral-analysis half of this workflow's mission.

For Tool Development

1. No new tool gaps identified this run beyond the standing conversation-log access gap above.

Historical Trends and Statistical Summary

Trends Over Time

• Completion rate trend: 2-day recovery (16% → 48% → 52%), now above the 24-day mean (30.8%) for the second straight day.
• Average duration trend: down sharply (12.0m → 9.4m), tracking closer to the 24-day median band than 09-14's elevated reading.
• provenance_inversion: reverted from 09-14's record 91.7% bot-driven high back into the historical 75–86% band (80.8% today).
• Branch diversity: 3 unique branches today vs 2 on both 09-14 and 09-10 (the two lowest-diversity days on record) — a slight improvement, still concentrated.

Statistical Summary

Total Sessions Analyzed:     50
Successful Completions:      26 (52.0%)
Failed Sessions:              2 (4.0%)
Action Required:              21 (42.0%)
Cancelled:                     1 (2.0%)

Average Session Duration:    9.4 min
Median Session Duration:     5.5 min
Longest Session:             39.75 min
Non-zero-duration Sessions:  29 (58%)

True-agentic Successes:       5/5 (100%)
Bot/CI-gate Successes:       21/26 (80.8%)

Loop Detection:               unavailable (no transcripts)
Context Issues:               unavailable (no transcripts)
Orphaned Branches:             0/7 (0.0%)

Next Steps

• Review recommendations with team
• Investigate root cause of the 24-day conversation-transcript fetch gap
• Monitor copilot/update-logs-command-multi-target for continued high gate volume / mid-50s conversion rate
• Schedule follow-up analysis tomorrow (2026-09-16)

📈 Session Trends Analysis

Completion Patterns

Completion counts have been in a saw-tooth pattern all month; today's 26 successes / 24 non-successes is the second day in a row of net-positive completion after the 09-13 trough, and the completion-rate line (bottom panel) shows today (52%) sitting well above the 24-day mean (dashed line, 30.8%).

Duration & Efficiency

Average duration pulled back to 9.4 minutes after two elevated days (12.0m, then a 19.6–24.1m spike range on 09-08/09-09); the mean−median gap (bottom panel, a proxy for outlier/retry weight in the absence of turn-level loop data) is only 3.9 minutes today, near the low end of the past two weeks.

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Analysis generated automatically on 2026-09-15
Run ID: §34939042381
Workflow: Copilot Session Insights

References:

• §34939042381 — this analysis run

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Generated by 📊 Copilot Session Insights · claude · agent · 327.2 AIC · ⌖ 13.5 AIC · ⊞ 18.5K · ◷

• expires on Sep 15, 2026, 11:30 PM UTC-08:00

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This discussion has been marked as outdated by Copilot Session Insights.

A newer discussion is available at Discussion #61304.