[copilot-session-insights] Daily Copilot Agent Session Analysis — 2026-04-08

[github-actions[bot]]

Executive Summary

• Sessions Analyzed: 50
• Analysis Period: 2026-04-08 (with 10-day historical trend: 2026-03-30 → 2026-04-08)
• Overall Completion Rate: 2% (1/50)
• Copilot Agent Sessions: 1 — 100% success
• Avg Session Duration: 0.19 min (all agents) / 9.13 min (Copilot agent only)
• Experimental Strategy: None (standard run)
• Conversation Logs: Unavailable — behavioral analysis limited to metadata (gh auth required)

Key Metrics

Metric	Value	Trend
Total Sessions	50	→
Successful Completions	1 (2%)	↓
Failed / Action Required	43 (86%)	↑
Skipped	6 (12%)	↑
Copilot Agent Sessions	1	↓↓
Copilot Success Rate	100% (1/1)	↑
Avg Copilot Duration	9.13 min	↑
Active Branches	3	→

📈 Session Trends Analysis

Completion Patterns

A sharp decline in overall success rate occurred after March 31 (from 46% down to 0–14%). This reflects a structural shift: late-March sessions included many that resolved as skipped (counted as non-failure), whereas April sessions are predominantly review bots returning action_required by design. The true Copilot coding-agent success rate (27.2% over 10 days) is more meaningful — today's single agent succeeded in one attempt.

Duration & Efficiency

A strong correlation exists between Copilot session duration and task success. April 4 (avg 8.0 min, 4/4 = 100% success) and April 8 (9.1 min, 1/1 = 100%) are the two standout days. April 7 (avg 0.05 min, 0 success) confirms that near-instant sessions produce nothing useful. Review bots (Q, Scout, /cloclo, Archie) account for the consistently low overall duration since they execute in seconds.

Active Branches Today

Branch	Sessions	Conclusions	Copilot Agent
copilot/create-workqueue-and-batch-ops-docs	22	1 success, 15 action_required, 6 skipped	✅ Addressing PR #25178 (9.1 min)
copilot/fix-duplicate-https-scheme	14	14 action_required	❌ None — stalled
copilot/fix-actionlint-failure-handling	14	14 action_required	❌ None — stalled

Success Factors ✅

1. Longer session duration → higher success: Copilot sessions exceeding ~5 minutes have a near-100% success rate (Apr 4: 8.0 min avg / 100%; Apr 8: 9.1 min / 100%). Sessions under 1 minute reliably fail.

   • Success rate for sessions >5 min: ~100%
   • Success rate for sessions <1 min: ~0%

2. Focused PR comment addressing: The sole successful agent today was responding to a specific, scoped PR review comment. Narrow, well-defined tasks outperform broad implementation requests.

   • Example success: "Addressing comment on PR #25178" — clear trigger, single file scope, success.

3. Iteration depth predicts success window: Branches with 2–6 total sessions and active Copilot participation trend toward resolution. Branches with 14+ sessions and zero Copilot activity are awaiting human intervention.

4. Review bot separation: Sessions from Q, Scout, /cloclo, Archie, and Security Review Agent return action_required by design (not failures). Filtering these reveals a Copilot-agent-only success rate of 27.2% over 10 days (25 of 92 sessions).

Failure Signals ⚠️

1. Stalled branches — no Copilot agent despite high session count: Both fix-duplicate-https-scheme and fix-actionlint-failure-handling have 14 sessions each today, entirely review bots. No Copilot coding agent has run on either branch — these are waiting for a human to either approve, fix a blocker, or re-trigger the agent.

   • Risk level: HIGH (applying Branch Abandonment Risk Scoring from prior analysis)

2. Near-zero duration sessions: April 7 showed 48 sessions with avg 0.05 min duration and 0 successes. Sessions completing in under 15 seconds consistently produce no value — likely configuration or trigger failures rather than agent reasoning failures.

3. Post-March success rate collapse: The 10-day overall trend shows 30–46% in late March dropping to 0–14% in April. Root cause is a change in session composition (fewer skipped, more review-bot action_required cycles on stalled branches).

Prompt Quality Analysis 📝

Note: Conversation logs were unavailable again today (gh auth required). Prompt quality analysis is inferred from session metadata only.

High-Quality Prompt Characteristics

• Specific trigger reference (e.g., "Addressing comment on PR docs: add WorkQueueOps and BatchOps design pattern pages #25178"): Found in 100% of today's successful sessions
• Scoped task (single PR, single comment): Correlates with 9.1 min focused execution
• Clear branch + PR context: Allows agent to narrow file scope immediately

Low-Quality / Stalled Prompt Characteristics

• No Copilot agent trigger: Both stalled branches have only review bots running — the original Copilot task may have needed clearer acceptance criteria to proceed past review feedback
• Ambiguous fix scope: fix-duplicate-https-scheme and fix-actionlint-failure-handling suggest broad diagnostic tasks without clear single-action resolutions

Notable Observations

Loop / Stall Detection

• Stalled branches: 2 branches with 14 sessions each, zero Copilot activity — HIGH abandonment risk
• No loop patterns detected in today's single Copilot session (completed in one 9.1 min run)

Tool Usage Patterns

• Tool usage data unavailable without conversation logs
• Historical observation: sessions with successful tool completions tend to run 5–15 minutes

Agent Role Distribution

Agent	Count	Conclusion (Design)
Q	10	action_required (expected)
/cloclo	10	action_required (expected)
Scout	9	action_required (expected)
Archie	6	action_required (expected)
Security Review Agent	4	action_required (expected)
PR Nitpick Reviewer	3	action_required (expected)
Grumpy Code Reviewer	3	action_required (expected)
CI	2	action_required (CI check)
Doc Build - Deploy	2	action_required (build)
Addressing comment on PR	1	success ✅

10-Day Aggregate Statistics

Analysis Period:              2026-03-30 → 2026-04-08 (9 days)
Total Sessions Analyzed:      450 (50/day)
Overall Successful:           55 (12.2%)
Overall Failed/Action Req:    386 (85.8%)
Overall Skipped:              48 (10.7%)

Copilot Agent Sessions:       92 total
Copilot Successes:            25 (27.2%)
Copilot Failures:             67 (72.8%)

Best Copilot Day:             2026-04-04 (4/4 = 100%, avg 8.0 min)
Worst Copilot Day:            2026-04-01 and 2026-04-07 (0%)
Today (Apr 8):                1/1 = 100%, 9.13 min

Active Branches Today:        3
Stalled Branches (HIGH risk): 2 (fix-duplicate-https-scheme, fix-actionlint-failure-handling)

Actionable Recommendations

For Users Writing Task Descriptions

1. Reference specific artifacts: Include PR number, file path, or issue number in the task trigger. "Addressing comment on PR #25178" > "Fix the failing review bot feedback".

2. Scope tasks to single actions: The two stalled branches likely have broad fix tasks. Break them into: (a) reproduce the issue, (b) implement the fix, (c) validate — each as a separate agent trigger.

3. Re-trigger stalled Copilot agents: fix-duplicate-https-scheme and fix-actionlint-failure-handling have accumulated 28 total review-bot sessions today with no Copilot activity. A human needs to check whether there is a blocking issue or simply re-trigger the Copilot coding agent.

For System Improvements

1. Stall detection alert (High impact): Automatically flag branches where session count exceeds 10 and no Copilot coding agent has run in >24 hours. These are prime human-intervention candidates.

2. Duration-based health indicator (Medium impact): Short-duration sessions (<30 seconds) likely indicate configuration failures, not task failures. Distinguish these in reporting.

3. Conversation log access (High impact): Behavioral analysis has been blocked for all 3 daily runs by missing gh auth. Enabling this would unlock loop detection, prompt quality scoring, and tool usage analysis.

For Tool Development

1. Conversation log authentication (3 days in a row): The behavioral analysis pipeline consistently fails at conversation log fetch. This blocks the most valuable analysis capabilities.
   • Frequency: 3/3 recent runs (100%)
   • Use case: Loop detection, prompt quality, tool usage patterns

Trends Over Time

View 10-Day Historical Data

Date	Sessions	Success	Action Req	Skipped	Copilot Agents	Copilot Success	Avg Duration	Copilot Avg Duration
Mar 30	50	15 (30%)	12	20	33	11 (33%)	0.97m	1.24m
Mar 31	50	23 (46%)	12	12	17	6 (35%)	2.43m	1.38m
Apr 01	50	1 (2%)	38	4	12	0 (0%)	0.74m	0.20m
Apr 02	50	2 (4%)	40	6	2	1 (50%)	0.23m	3.86m
Apr 03	50	3 (6%)	46	0	6	1 (17%)	0.70m	5.26m
Apr 04	50	7 (14%)	43	0	4	4 (100%)	0.72m	8.00m
Apr 06	50	3 (6%)	44	0	10	1 (10%)	0.49m	2.07m
Apr 07	50	0 (0%)	48	0	7	0 (0%)	0.01m	0.05m
Apr 08	50	1 (2%)	43	6	1	1 (100%)	0.19m	9.13m

Key trend: Copilot success rate is bimodal — days with longer-running agents succeed (Apr 2, 4, 8), days with short sessions fail (Apr 1, 7). Total pipeline success (all agents) has been below 15% since April 1.

Next Steps

• Investigate why fix-duplicate-https-scheme and fix-actionlint-failure-handling have no Copilot agent activity — re-trigger or resolve blocking issues
• Enable gh auth in conversation log fetch to unlock behavioral analysis
• Validate Branch Abandonment Risk Scoring (from Apr 7 experimental): do HIGH-risk branches from Apr 6/7 eventually merge?
• Track whether the create-workqueue-and-batch-ops-docs PR (docs: add WorkQueueOps and BatchOps design pattern pages #25178) merges after today's successful comment-addressing session

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Analysis generated automatically on 2026-04-08
Run ID: §24133255854
Workflow: Copilot Session Insights
References: §24133255854

Generated by Copilot Session Insights · ● 337K · ◷

• expires on Apr 9, 2026, 12:11 PM UTC