Background/Objectives: Lebanon’s primary healthcare system operates under chronic constraint, fragmented governance, and recurrent shocks, limiting its ability to equitably allocate resources, maintain continuity of care, and adapt to population health needs. While Lebanon’s Vision 2030 prioritizes strengthening primary healthcare, implementation is hindered by weak sensing mechanisms, misaligned spatial distribution, and poorly integrated referral pathways. This study develops a context-specific, systems-level healthcare policy framework for primary healthcare reform by applying biomimicry principles derived from the drought-resistant root architecture of grapevine (Vitis vinifera). Methods: An Agent Based Approach within a biomimicry framework was used to translate biological strategies into healthcare policy design principles. Publicly available data from the Lebanese Ministry of Public Health, national assessments, and non-governmental organization registries were synthesized to examine mismatches between healthcare need and service capacity. Results: Structural deficiencies were identified in Lebanon’s primary healthcare system, including the absence of standardized need-based sensing, uneven geographic distribution of services, weak-referral integration, and limited adaptive feedback. Drawing on biomimicry, a policy framework is proposed centered on standardized Need Scores to translate frontline stress signals to rule-based responses, guide adaptive redistribution of capacity, and structurally anchor primary healthcare centers to referral hubs through defined catchments and electronic referral loops. Conclusions: Biomimicry provides a viable design logic for restructuring primary healthcare governance under conditions of chronic scarcity. By operationalizing biological resilience principles at the policy level, this approach can strengthen primary healthcare systems in low-resource settings while aligning with healthcare policy objectives such as those outlined in Lebanon’s Vision 2030.