feat: product tags administration

[alukach]

Summary

• Adds a "Tags" field to the product edit form (comma-separated input)
• Updates the updateProduct server action to parse and save tags to product metadata

Closes #177

Changes

• src/components/features/products/ProductCreationForm.tsx — added tags text field with comma-separated input, populated with existing tags in edit mode
• src/lib/actions/products.ts — updateProduct now extracts tags from form data, splits on commas, trims whitespace, and saves to metadata.tags

Test plan

• Verify tags field appears in product edit form
• Verify existing tags are shown comma-separated when editing
• Verify adding/removing tags persists after save
• Verify empty tag input preserves existing tags
• Verify tags display correctly on product pages after editing

🤖 Generated with Claude Code

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Project	Deployment	Actions	Updated (UTC)
source-cooperative	Ready	Preview, Comment	Mar 25, 2026 4:28am

[PowerChell]

My comment might not be for the admin side of tags... more user side! So might not be the right place to leave these comments !

Some small issues & ideas for the future:

1. Suggested tag for when user types in something incomplete or misspelled. E.g. if the user wrote "sentinel" and did not define the number, suggesting all the "sentinel-" tags we have in the system. Or if someone misspells something or it is incomplete (e.g. geoparque or geoparquett are some examples I was playing with).

2. Having a way for a user to see all tags possible and filter based on selecting existing tags instead of typing them in themselves
3. A small issue, but the search bar has an autosearch functionality that I find is a bit fast. If I stop to think for a second, it searches for me when I am not done typing, and then says nothing is there. And then once it has searched, you have to re-click on the box to get the text back. I could see this being annoying if (1) someone was a slower typer (2) was just thinking of what they wanted to search, and was just pondering, and then it autocompletes for them before they are done. Maybe a small edge case but just paying with it, I noticed it, so it can't be THAT unusual. Literally 1-2 more seconds before it autocompletes searches for you could be nice / maybe these suggestions above would make this a non-issue.
4. We are already having signs of duplicate tags that are slightly different from each other. We should be monitoring for this during the tag creation portion of the process.