Delta types
8 types
Types
Presets over the same phase spine. Each ships with its own default phases, gate roles, and required slice categories.
Epic
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All 6 phases
standard chain
FE · BE · CI/CD · Misc · Backlog
Standard product change · default for new deltas.
Bug
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Analyze · Design · Code · Deploy
Tech Lead gate
FE or BE
Known defect · skips Document + Approve.
Hotfix
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Code · Deploy only
Tech Lead + On-call
1 slice
Fast-track for production incidents · minimal ceremony.
Experiment
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Analyze · Design · Code
PM gate only
FE + A/B setup required
Time-boxed test · won't ship without a follow-up Epic.
Task
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Design · Code · Deploy
Tech Lead gate
FE or BE
Small, well-understood change · no PRD required.
Tech Debt
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Design · Code
Tech Lead gate
FE · BE · CI/CD
Refactor or cleanup · no user-facing behavior change.
Chore
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Code only
no gate
Misc
Deps, config, housekeeping · self-mergeable.
Spike
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Analyze only
PM gate only
no slices
Time-boxed research · produces a doc, not code.
e.g. Compliance, Migration, Deprecation
Status
Ticket-level workflow, independent of type or phase. Order drives the Kanban columns on every Deltas board.
Draft
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Not yet ready for the board · visible only to the author.
Ready
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Triaged and unblocked · queued to be picked up.
In Progress
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Actively being worked · branch has commits.
Blocked
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Waiting on a dependency, conflict, or decision.
Review
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PR open or gate awaiting sign-off.
Merged
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PR merged and, for the top-level delta, shipped to main.
Duplicate
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Closed · superseded by another ticket, linked for reference.
e.g. Needs design, Won't fix
Slice categories
Every slice belongs to one category. Drives team routing and the linked-repo label — types (above) pick which are required.
Frontend
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HTML/CSS/JS · norrland/storefront
Backend
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API/DB · norrland/api
CI/CD
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Pipelines, deploys · norrland/infra
Misc
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Copy, docs, i18n, review · no fixed repo
Backlog
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Deferred · excluded from merge readiness