fix(cli): fix preview opening wrong project in dev mode

[miguel-heygen]

Summary

One-character fix: removes leading / from the preview URL hash.

Dev mode opened #/project/<name> but the studio expects #project/<name>. The route regex in App.tsx (/^#project\/([^/]+)/) never matched the slash-prefixed hash, so it fell through to auto-selecting the first project from /api/projects — ignoring the project path you passed on the CLI.

Root cause

// preview.ts dev mode (line 176) — WRONG
`${frontendUrl}#/project/${pName}`

// App.tsx route parser (line 34) — expects this format
window.location.hash.match(/^#project\/([^/]+)/)

Local-studio mode and embedded mode already used the correct #project/ format.

Test plan

• Typecheck passes
• npx tsx cli preview /path/to/project opens the correct project in the studio

[miguel-heygen]

• fix(cli): fix preview opening wrong project in dev mode #221 👈 (View in Graphite)
• fix(producer): extract head assets from non-template sub-comps + fix postcss ESM #220
• fix(core): load head styles/scripts from non-template sub-compositions #219
• fix(core): add lint rule for infinite GSAP repeat #218
• fix(skills): add rendering guardrails to hyperframes skill #217
• main

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[miguel-heygen]

Merge activity

• Apr 7, 2:53 PM UTC: A user started a stack merge that includes this pull request via Graphite.
• Apr 7, 3:39 PM UTC: Graphite rebased this pull request as part of a merge.
• Apr 7, 3:40 PM UTC: @miguel-heygen merged this pull request with Graphite.