tarunsachdeva shared

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Implement Cross-Agent Trace Sharing FeaturePublic

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Feb 10, 7:21 PM

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Summary

Give me ideas for how we might be able to integrate share to traces functionality via skills across every agent, i want to be able to, mid trace, share to traces

Great direction. You already have most of the backend plumbing; the missing piece is a headless “publish current trace” entrypoint that skills can call.

Right now publishing exists in the TUI flow (cli/src/core/trace-controller.ts:185, cli/src/tui/app.tsx:1596) and API sync is reusable (cli/src/services/api.ts:336), so this is mostly an interface/orchestration problem.
Best foundation: add a non-interactive CLI command like traces share --current --json that returns URL + trace id, then call that from skills in each agent.
To make “across every agent” real, define one cross-agent skill contract: command name (share to traces), required outputs (URL, visibility, status), and fallback behavior (if no active trace found).
Resolver strategy should be layered: session id if available -> sourcePath if available -> latest trace in cwd updated in last N mins heuristic.
Add a safe default visibility (unlisted if supported) and optional redaction pass before publish; publishing tool outputs/thinking can leak secrets.
Decide early whether “mid trace” means snapshot-on-demand or live-updating link; that changes architecture a lot.

Practical rollout I’d recommend:

MVP (fastest): snapshot share via skills

Add traces share --current --agent auto --cwd "$PWD" --json.
Add per-agent skill wrappers that all invoke the same command and return the URL inline.
This gives “mid trace, share to traces” quickly.

Phase 2: live follow mode

Add traces share --current --follow (or a background tracesd) so shared traces keep updating after initial publish.
Reuse adapter subscriptions from TraceController but run outside TUI lifecycle.

Phase 3: universal fallback trigger

For agents without robust skill hooks, detect user message patterns like share to traces in the ingestion path and auto-publish + desktop notification/clipboard.
Keeps parity across adapters (claude-code, cursor, opencode, codex, gemini-cli) even when command systems differ.

One key product choice before implementation: do you want the shared link to be live-updating by default (recommended) or just a point-in-time snapshot?
If live, I’d plan for the background follower/daemon immediately; if snapshot, we can ship much faster with just the headless command + skills.

Create a project for it in @docs/projects/, follow project best practices

Edited

Done — I created a new project plan at:

docs/projects/share-to-traces-skills.md

It follows the existing project-doc style and best practices:

Starts at lowest level (API/types) before CLI and agent skill wiring
Uses atomic, checkbox-based phases
Splits rollout into committable/reversible releases
Avoids bundling API/CLI/frontend changes in one phase
Includes verification commands, risks, and open questions

If you want, I can next draft a Phase 3 implementation checklist PR-ready breakdown (exact file-by-file task order for cli/src/commands/share.ts and cli/src/index.ts).

yes go ahead

Edited

Added it — I expanded the project doc with a PR-ready Phase 3 breakdown, including exact file-by-file task order and acceptance criteria.

Updated:

docs/projects/share-to-traces-skills.md

New section:

Part 3.1: PR-Ready Breakdown (file-by-file order)
- PR 1: entrypoint wiring (cli/src/index.ts, stub cli/src/commands/share.ts)
- PR 2: command/output contract + error codes
- PR 3: resolver + actual controller.share(...)
- PR 4: tests + --follow guard behavior
- PR 5 (optional): resolver hardening extraction

If you want, I can now start implementing PR 1 directly (index.ts wiring + commands/share.ts stub).

yeah in a separate branch please

Edited

Implemented PR1 on a separate branch.

Branch created: feat/share-command-pr1
Wired new share command routing in cli/src/index.ts:25 and cli/src/index.ts:54
Added CLI help entries for share and its flags in cli/src/index.ts:75
Added basic flag parser for --trace-id, --source-path, --cwd, --agent, --json, --follow in cli/src/index.ts:170
Added stub command handler at cli/src/commands/share.ts:1 returning exit code 1 with a clear “not implemented yet” message

I also left your project doc file present in this branch:

docs/projects/share-to-traces-skills.md

Verification note:

I tried running tests with bun test in cli/, but bun is not available in this environment (command not found: bun).

Next step I can do now:

Implement PR2 (stable JSON output contract + structured error codes in cli/src/commands/share.ts)

whats pr2 and dont name branches with a pr1 suffix, its all one feature

we also dont have any tests yet for this feature, we should do that first

Edited

You’re right on both points.

I renamed the branch to feat/share-command (no PR suffix).
PR2 in my earlier breakdown meant: define the share command contract (structured success/error JSON + stable error codes), before implementing resolver/upload logic.
I paused that and added tests first for this feature.

What I added:

cli/src/commands/share.test.ts with initial behavior tests:
- returns non-zero while unimplemented
- logs a clear placeholder error
- accepts the planned options shape
Existing feature stub remains in cli/src/commands/share.ts
Existing routing/help wiring remains in cli/src/index.ts

Current git state:

Branch: feat/share-command
Changed/new files:
- cli/src/index.ts
- cli/src/commands/share.ts
- cli/src/commands/share.test.ts
- docs/projects/share-to-traces-skills.md

Verification:

I attempted to run bun test cli/src/commands/share.test.ts, but this environment doesn’t have Bun installed (bun: command not found).

Next, I can move to the next test-first step: add command-parser/routing tests around share flags in cli/src/index.ts (so implementation can follow with safety).

src/commands/share.test.ts:
✓ share command > share_command_returns_non_zero_until_implemented [0.21ms]
✓ share command > share_command_logs_placeholder_message [0.03ms]
✓ share command > share_command_accepts_options_shape [0.07ms]

tests shouldn't self reference their own state?? they should test functional behaviour and fail until they are implemented

Edited

Good call — I’ve rewritten the tests to target intended functional behavior (not current placeholder behavior), so they should fail until shareCommand is actually implemented.

Updated:

cli/src/commands/share.test.ts

What changed:

Removed self-referential assertions like “returns non-zero until implemented.”
Added contract-style behavior tests:
- share_requires_selector_and_returns_invalid_arguments_json
  - expects exit code 2
  - expects JSON error payload with INVALID_ARGUMENTS
- share_by_trace_id_returns_success_json_with_share_url
  - expects exit code 0 for valid traceId
- share_by_trace_id_prints_machine_readable_success_payload
  - expects JSON success envelope with traceId, sharedUrl, and agentId

So yes — these tests now define real expected behavior and will fail until the command is built to match.

I still can’t run them in this environment because bun isn’t installed here (command not found), but you should see failing tests locally now until implementation lands.

more tests for all the commands - these tests seem light compared to these functional additions

share --trace-id ID Publish a specific trace
share --source-path PATH Publish trace by source file path
share --cwd PATH Publish most recent trace from directory
share --agent ID Restrict lookup to one agent (or auto)
share --json Print machine-readable JSON
share --follow Keep syncing after initial publish (coming soon)

perhaps some of these are already tested but not via this new share commmand

Edited

Absolutely — agreed. I expanded the tests so they validate the actual feature contract, not placeholder state.

What I changed:

Added dedicated flag-parser module so parser behavior is testable in isolation:
- cli/src/commands/share-options.ts
- wired into cli/src/index.ts
Added parser tests covering all new share flags:
- cli/src/commands/share-options.test.ts
- covers --trace-id, --source-path, --cwd, --agent, --json, --follow, and unknown-flag handling
Reworked/expanded command behavior tests to be functional and implementation-driving:
- cli/src/commands/share.test.ts
- now tests:
  - selector required error
  - multiple selectors rejected
  - success expectations for --trace-id
  - success expectations for --source-path
  - success expectations for --cwd (+ agent)
  - agent validation failure
  - non-JSON human-readable success output
  - --follow explicit not-implemented contract for now
Branch name fixed as requested:
- current branch: feat/share-command

You’re right that these should fail until implemented — these tests now define the intended behavior and should force the real command implementation to match.

I couldn’t execute tests in this environment because bun is unavailable here (command not found), but the test coverage is now substantially deeper for the new functional surface.

Next logical step:

Implement shareCommand in cli/src/commands/share.ts to satisfy this test contract.

is it possible to install the approprate agent skills into their respective agent skills folders as an option for sharing to traces, is that required? like how will the agents know to use the traces skill

Yes — it’s possible, and for reliable behavior it’s strongly recommended.

Not strictly “required” in a technical sense (you could rely on prompt text alone), but without installed skills/instructions each agent may ignore or inconsistently handle “share to traces.”
Agents “know” to use it through one of these hooks:
1. skill metadata + trigger phrases,
2. agent/system instructions (AGENTS.md/equivalent),
3. explicit slash command mapping (/share-to-traces).

Recommended pattern (most reliable):

One canonical command: traces share --cwd "$PWD" --agent auto --json
Install thin per-agent skill wrappers that just call that command.
Add trigger phrases in each skill: “share to traces”, “publish this trace”.
Add fallback instruction: if command fails, return structured remediation (run traces login, etc).

So: yes, install skills in each agent’s skill folder as an option; for cross-agent consistency, treat it as required for v1 behavior quality.

If you want, I can now add a concrete “Skill Distribution Plan” section to docs/projects/share-to-traces-skills.md with:

per-agent install locations,
trigger contract,
wrapper template,
versioning/update strategy.

yes, and that should be a part of what we do when we install a new agent adapter

Edited

Done — I added this as a formal requirement in both project and adapter docs.

Updated docs:

docs/projects/share-to-traces-skills.md
- Added Skill Distribution Plan (required for adapter parity)
- Added required wrapper behavior:
  - canonical command traces share --cwd "$PWD" --agent auto --json
  - explicit selector preference (--trace-id, --source-path)
  - standard triggers + standard error mapping
- Added Adapter Completion Gate so adapter work is not “done” until skill wrapper is installed/verified
docs/adding-agents.md
- Updated Overview from 2 places -> 3 places (shared types, CLI adapter, skill wrapper)
- Added Step 5: Install Agent Share Skill Wrapper (Required)
- Added explicit completion rule and validation checks
- Added testing item for wrapper command execution and URL return

This makes “share-to-traces skill installation” part of the default new adapter process, not optional cleanup afterward.

okay great, lets commit the plan and start executing

Request interrupted

give me an e2e test plan

Perfect — here’s a practical E2E plan for the share-to-traces feature.

Scope

Validate the full user path: agent trace exists -> traces share ... runs -> trace is published -> URL is returned -> URL is readable.
Cover all selectors and flags: --trace-id, --source-path, --cwd, --agent, --json, --follow.
Cover adapter parity and skill wrapper behavior across supported agents.

Test Environments

Local hermetic E2E: fixture traces + local API stub + temporary config dir.
Staging smoke E2E: real API and auth credentials, minimal happy-path checks.
CI gating: hermetic suite required, staging smoke optional/manual at first.

Core E2E Scenarios

Authenticated happy path with --trace-id returns exit 0, valid JSON, and reachable share URL.
Authenticated happy path with --source-path resolves correct trace and publishes once.
Authenticated happy path with --cwd --agent auto picks most recent matching trace and publishes.
Authenticated happy path with --cwd --agent <id> restricts resolution to that adapter only.
--json always emits parseable envelope for both success and error paths.
Missing selector returns INVALID_ARGUMENTS and non-zero exit.
Multiple selectors together return INVALID_ARGUMENTS and non-zero exit.
Unknown agent returns INVALID_ARGUMENTS and non-zero exit.
Unauthenticated user returns AUTH_REQUIRED and remediation text.
No matching trace returns TRACE_NOT_FOUND and selector hints.
API failure path returns UPLOAD_FAILED with stable error envelope.
--follow currently returns NOT_IMPLEMENTED (until follow mode ships).

Skill Wrapper E2E (Per Agent)

Trigger phrase “share to traces” invokes wrapper and runs canonical command.
Wrapper passes through URL on success in a consistent response shape.
Wrapper maps AUTH_REQUIRED, TRACE_NOT_FOUND, INVALID_ARGUMENTS, UPLOAD_FAILED consistently.
Wrapper works in each agent’s configured skill folder/install location.

Automation Structure

Add command E2E tests in cli/src/commands/share.e2e.test.ts.
Use temporary TRACES_CONFIG_DIR, adapter fixture directories, and local HTTP mock server.
Validate both CLI exit code and stdout/stderr payload contract.
Add adapter-parity E2E matrix (same assertions, different fixture source format).

Manual Smoke Checklist (Staging)

Run traces login.
Run traces share --cwd "$PWD" --agent auto --json.
Open returned URL and verify trace content renders.
Re-run same command and verify idempotent behavior.
Trigger via agent skill phrase and confirm in-chat URL response.

Exit Criteria

All hermetic E2E scenarios pass in CI.
At least one staging smoke pass per supported adapter family.
New-adapter checklist updated so adapter work is incomplete without passing skill-share smoke.

If you want, I can draft the actual share.e2e.test.ts skeleton next with fixture/mocking utilities so implementation can plug in directly.

what is --cwd "$PWD"

--cwd "$PWD" means:

--cwd is the traces share flag for “use this directory as the project context when resolving the current trace.”
"$PWD" is your shell’s current working directory path (expanded automatically by the shell).

So this:

bash

is equivalent to:

bash

Why quoted?

Quoting handles spaces safely in paths (e.g. ~/My Projects/repo).

In short: it tells Traces “share the most relevant trace for the directory I’m currently in.”

oh but what if i have many, which will it pick?

Great question — and exactly why we called out resolver rules.

With --cwd, if multiple traces match, it should pick deterministically:

First filter by matching directory (cwd)
If --agent is provided, only that agent’s traces remain
Then pick the most recently updated trace (timestamp descending)
If there’s still a tie, apply a fixed adapter priority order (so it’s stable)

So by default: “latest trace in this folder”.

If you want zero ambiguity, use:

--trace-id <id> (best)
or --source-path <path>

We should also return resolver metadata in JSON (selectedBy: "cwd", candidateCount, selectedTraceId) so you can see what it chose.

i'm just wondering how i test this in development mode (using bun run dev share), and actual agents... is that possible

Yes, absolutely possible — with one caveat: right now share is still a stub, so you can only test wiring/arg parsing until we implement the command body.

How to run in dev mode:

From cli/:
- bun run dev -- share --help (or any args)
You can also run:
- bun run dev -- share --trace-id test --json
Use -- so args are passed to the CLI script, not Bun.

How to test with real agents (once share logic lands):

Start/produce a real session in an agent (Codex/Claude/Cursor/etc.) in some repo folder.
Run from that same folder:
- bun run dev -- share --cwd "$PWD" --agent auto --json
Or force a specific adapter:
- bun run dev -- share --cwd "$PWD" --agent codex --json
Or deterministic selector:
- bun run dev -- share --source-path "/path/to/session/file" --json

Recommended safe dev setup:

Point config/db to temp locations so you don’t pollute normal local state:
- TRACES_CONFIG_DIR=/tmp/traces-dev
- TRACES_EVENTSTORE=/tmp/traces-dev.db
Keep using .env.local via bun run dev.

So yes: dev-mode + real-agent testing is exactly the intended path, and we can do it as soon as I implement the share command contract behind the current stub.

tarunsachdeva@Taruns-MBP-M4 cli % bun run dev share --cwd "$PWD" --agent auto --json
$ bun run --env-file .env.local ./src/index.ts share --cwd /Users/tarunsachdeva/code/traces/cli --agent auto --json
'traces share' is not implemented yet.
error: script "dev" exited with code 1
tarunsachdeva@Taruns-MBP-M4 cli %

Edited

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