founder-gtm: add plugin

[shubgaur]

Summary

• Add Founder GTM as a first-party plugin in cursor/plugins, following the same top-level folder plus marketplace manifest pattern as pstack.
• Register founder-gtm in .cursor-plugin/marketplace.json and point its plugin manifest at https://github.com/cursor/plugins/tree/main/founder-gtm.
• Include GTM onboarding skills, channel outreach skills, hooks, automations, a canvas playbook, and supporting docs/resources.

Test plan

• python3 -m json.tool .cursor-plugin/marketplace.json >/dev/null
• python3 -m json.tool founder-gtm/.cursor-plugin/plugin.json >/dev/null
• npm install --no-save --package-lock=false ajv ajv-formats >/dev/null && node scripts/validate-plugins.mjs

Follow-up

• After merge, reindex/publish founder-gtm under the cursor publisher. Direct-link/unlisted would be ideal if supported; otherwise approve and publish normally.

Made with Cursor

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Note

Low Risk
Documentation- and workflow-only addition with no changes to core product code; optional Gmail OAuth and automation prompts are founder-controlled.

Overview
Adds Founder GTM as a new first-party Cursor plugin: registers founder-gtm in .cursor-plugin/marketplace.json and ships a full founder-gtm/ package (manifest v0.5.1, logo, MIT license, README/CHANGELOG).

The plugin gives founders a slash-command GTM workflow: onboarding (/gtm-setup), sales-pack interview, prospecting with helper scripts, channel skills (X, LinkedIn, cold email, warm intros), play design with three starter plays, and a weekly /gtm-get-better learning loop. An always-on gtm-voice-guide rule plus afterFileEdit hook warn on AI tells in outreach-log/, prospects/, and drafts/; sessionStart nudges projects without sales-pack.md.

Automations ship as markdown specs and .workflow.json files (weekly learning, weekday follow-ups/reply check, manual campaign debrief), defaulting workspace root to the project where founder artifacts live. A canvas playbook documents the framework, channels, rubric, and skill map. .gitignore keeps founder-local sales-pack.md, prospects/, and logs out of the repo.

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