feat: complete overseas PDA warehouse operations

src/pages/warehouse/operations.scss

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+.work-page{height:100vh;overflow:hidden}.work-scroll{height:calc(100vh - 48px - var(--status-bar-height,0px))}.work-content{padding-bottom:42px}.work-heading{margin:4px 2px 12px}.work-title,.work-subtitle,.card-title,.business-code,.meta-line,.empty-copy,.error-box text,.success-box text{display:block}.work-title{color:#14263d;font-size:21px;font-weight:800}.work-subtitle{margin-top:4px;color:#708197;font-size:11px;line-height:17px}.work-card,.task-card,.empty-box,.error-box,.success-box{box-sizing:border-box;margin-bottom:10px;padding:14px;border:1px solid #dce5f0;border-radius:13px;background:#fff;box-shadow:0 4px 15px rgba(32,67,111,.06)}.card-title{margin-bottom:9px;color:#17314f;font-size:13px;font-weight:800}.business-code{color:#142c48;font-size:16px;font-weight:800}.meta-line{margin-top:4px;color:#718095;font-size:10px;line-height:16px}.row-head,.action-row,.metric-row,.mode-row{display:flex;align-items:center;justify-content:space-between;gap:9px}.mode-row{justify-content:flex-start;margin-bottom:10px}.mode-button{height:34px;margin:0;padding:0 14px;border-radius:17px;color:#617287;font-size:11px;line-height:34px;background:#e9eef4}.mode-button.active{color:#fff;font-weight:700;background:#135ee8}.primary,.secondary,.danger{box-sizing:border-box;min-height:42px;margin-top:9px;border-radius:8px;font-size:12px;font-weight:750}.primary{width:100%;color:#fff;background:#135ee8}.secondary{width:100%;color:#135ee8;border:1px solid #9dc0f4;background:#f8fbff}.danger{width:100%;color:#a43030;border:1px solid #e2a5a5;background:#fff7f7}.primary[disabled],.secondary[disabled],.danger[disabled]{color:#9aa7b5;background:#e8edf3;opacity:1}.compact-button{width:auto;min-width:82px;margin-top:0;padding:0 12px}.text-input,.number-input,.reason-input{box-sizing:border-box;width:100%;border:1px solid #cad6e3;border-radius:8px;color:#243951;background:#fbfcfe}.text-input,.number-input{height:44px;padding:0 11px}.number-input{font-size:17px;font-weight:750}.reason-input{height:74px;padding:9px 10px}.task-list{display:flex;flex-direction:column;gap:9px;margin-bottom:12px}.task-card{margin-bottom:0}.task-card.current{border-color:#8eb8f5;background:#f7faff}.metric-row{margin-top:10px;padding-top:9px;border-top:1px solid #edf1f5}.metric{display:flex;align-items:center;flex-direction:column;min-width:0;color:#708197;font-size:9px}.metric strong{color:#135ee8;font-size:15px}.item-list{display:flex;flex-direction:column;gap:9px}.item-card{padding:11px;border:1px solid #e0e7ef;border-radius:9px;background:#fbfcfe}.item-card.done{border-color:#9ed5bd;background:#f2fbf7}.item-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;margin-top:9px;color:#708197;font-size:9px;text-align:center}.item-grid strong{display:block;color:#203750;font-size:14px}.empty-box{text-align:center;color:#738399}.empty-copy{line-height:20px}.error-box{color:#9d2323;background:#fff0f0}.error-title,.success-title{font-size:12px;font-weight:800}.success-box{color:#176b42;background:#eaf8f1}.status-pill{flex-shrink:0;padding:4px 7px;border-radius:6px;color:#8a570c;font-size:9px;background:#fff1dd}.status-pill.good{color:#08705f;background:#e2f6f0}.scan-gap{margin-top:10px}.section-gap{margin-top:13px}.hint{display:block;margin-top:7px;color:#718095;font-size:10px;line-height:16px}.link-button{height:30px;margin:0;padding:0 8px;color:#135ee8;font-size:10px;line-height:30px;background:transparent}