Fix/preceding zeros in input fields

[lucy-04]

fix: buffer numeric Input text while typing to prevent leading zeros
fix: allow item quantity/price fields to be cleared during editing

Summary by CodeRabbit

• Improvements
  • Numeric quantity, price, and stock fields can now be temporarily cleared while editing.
  • Quantity fields automatically restore a minimum value of 1 when leaving the field.
  • Updated item-entry forms provide more consistent numeric input behavior across delivery challans, invoices, quotations, and inventory adjustments.

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[coderabbitai]

📝 Walkthrough

Walkthrough

Numeric input handling now supports empty intermediate values during editing and restores minimum quantities on blur across delivery challans, inventory adjustments, invoices, quotations, and the shared Input component.

Changes

Numeric input editing

Layer / File(s)	Summary
Shared numeric input behavior src/components/ui/Input.tsx	Numeric inputs buffer raw text, derive their displayed value, forward events through handlers, and select their contents on focus.
Delivery quantity editing src/modules/deliveryChallan/CreateDeliveryChallanModule.tsx	Delivery quantity state now permits zero during editing, uses the shared Input, resets new entries to zero, and restores line quantities below one on blur.
Inventory, invoice, and quotation field normalization src/modules/inventory/InventoryModule.tsx, src/modules/invoices/CreateInvoiceModule.tsx, src/modules/quotations/CreateQuotationModule.tsx	Zero values display as empty in applicable fields, while editable quantities are restored to one on blur where required.

Estimated code review effort: 3 (Moderate) | ~20 minutes

Possibly related issues

• Improve numeric input editing by allowing removal of trailing zeros #8 — Implements buffered numeric text editing and blur-time normalization.

Suggested reviewers: ateebnoone

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title is related to the main change, describing the input zero-handling fix, though the wording is a bit awkward.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests

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[coderabbitai]

Actionable comments posted: 1

🤖 Prompt for all review comments with AI agents

Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

Inline comments:
In `@src/modules/inventory/InventoryModule.tsx`:
- Around line 235-239: Buffer numeric input text before converting it to numbers
so intermediate values are preserved. In
src/modules/inventory/InventoryModule.tsx lines 235-239, preserve “-” until a
valid negative adjustment is entered; in
src/modules/deliveryChallan/CreateDeliveryChallanModule.tsx lines 445-448,
preserve fractional quantities such as 0.5; and in
src/modules/invoices/CreateInvoiceModule.tsx lines 510-523, preserve
zero-prefixed decimal quantities and unit prices. Use the shared buffered Input
component where feasible, or maintain local string drafts and normalize values
on blur.

🪄 Autofix (Beta)

Fix all unresolved CodeRabbit comments on this PR:

• Push a commit to this branch (recommended)
• Create a new PR with the fixes

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ℹ️ Review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro Plus

Run ID: c149380f-146f-42de-83a7-a39fdbdd7c07

📥 Commits

Reviewing files that changed from the base of the PR and between 63d2279 and fcdf148.

📒 Files selected for processing (5)

• src/components/ui/Input.tsx
• src/modules/deliveryChallan/CreateDeliveryChallanModule.tsx
• src/modules/inventory/InventoryModule.tsx
• src/modules/invoices/CreateInvoiceModule.tsx
• src/modules/quotations/CreateQuotationModule.tsx